Web features explorer - July 2015 web platform update

<a>: The <a> element creates a hyperlink to any resource that's accessible via a URL, such as web pages, files, email addresses, or locations within the same page. Learn more.

<abbr>: The <abbr> HTML element represents an abbreviation or acronym. Learn more.

Absolute positioning: The position: absolute CSS declaration removes an element from the normal flow and positions it relative to its containing block, which is often the root element, or closest positioned ancestor. Learn more.

<address>: The <address> element represents contact information for a person or people, or for an organization. Learn more.

Array (initial support): Arrays are ordered lists of JavaScript values. Learn more.

Array.isArray(): The Array.isArray() static method checks whether a value is an array. Learn more.

Array iteration methods: Array iteration methods Learn more.

Array splice(): The array splice() method changes an array in-place. You can use it to delete items, overwrite items, or insert items, starting from an index. Learn more.

<article>: The <article> element represents self-contained content, which is intended to be independently distributable or reusable, such as a comment, a blog post, or news article. Learn more.

<aside>: The <aside> element represents a portion of a document whose content is only indirectly related to the document's main content. Learn more.

attr() (content only): The attr() CSS function, in content property declarations, sets a ::before or ::after pseudo-element's content to the value of the specified HTML attribute. Learn more.

<audio>: The <audio> element plays sound such as audio effects or music, optionally with controls provided by the browser. Learn more.

Autofocus: The autofocus HTML attribute gives focus to an element on page load. Learn more.

<b>: The <b> HTML element draws reader's attention to text, styling text as bold by default. Learn more.

background: The background CSS property is a shorthand that sets several background properties at once. Learn more.

background-clip: The background-clip CSS property sets the extent of the background: the padding box, the content box, or the default border box. Learn more.

background-color: The background-color CSS property sets the fill color of an element, behind any content and background images or gradients. Learn more.

background-image: The background-image CSS property sets the graphics to display behind the content of an element and in front of the background color. Graphics may be any combination of images or gradients. Learn more.

background-origin: The background-origin CSS property sets the background starting position relative to the border and padding of an element. Learn more.

background-position: The background-position CSS property offsets the initial position of background images relative to the background origin. Learn more.

<base>: The <base> element sets the base URL (the URL that relative URLs are relative to) for all relative URLs in the document. Learn more.

Base64 encoding and decoding: The atob() and btoa() global functions encode and decode strings to and from base 64, respectively. Learn more.

<bdo>: The <bdo> element overrides the directionality of text, so that the text within is rendered in a different direction than the surrounding text. Learn more.

::before and ::after: The ::before and ::after CSS pseudo-elements select inline boxes preceding and following an element. They are often used with the content property to generate cosmetic content. Learn more.

<blockquote>: The <blockquote> element represents an extended quotation, styling contents as an indented block by default. Learn more.

<body>: The <body> element represents the content of an HTML document. Learn more.

border-radius: The border-radius CSS property rounds the corners of the border drawn around an element. Learn more.

Borders: The border CSS property sets the color, style, and width of the line around an element. Learn more.

box-shadow: The box-shadow CSS property applies shadow effects around an element's frame. This can create drop shadow and inner shadow effects. Learn more.

box-sizing: The box-sizing CSS property sets whether an element's width and height are calculated based on the content-box, which does not count the size of borders or padding, or border-box, which does count them. Learn more.

<br>: The <br> element produces line breaks in text. Learn more.

<button>: The <button> element is an interactive element activated by a user gesture that performs an action such as submitting a form, or opening a dialog. Learn more.

calc(): The calc() CSS function computes mathematical expressions such a calc(100%/3 - 1em). Learn more.

<canvas>: The <canvas> HTML element is a space to draw graphics in, using the 2D canvas API, WebGL, or WebGPU. Learn more.

2D canvas: The CanvasRenderingContext2D API is the "2d" rendering context for the <canvas> element. It represents a flat, two-dimensional space for drawing graphics and animations. Learn more.

ch unit: The ch CSS length unit is a font-relative length based on the width of the zero (0) character. Learn more.

@charset: The @charset CSS at-rule specifies the character encoding of an external style sheet. Learn more.

<cite>: The <cite> element represents the title of a quoted, referenced, or mentioned creative work, such as a film or book. Learn more.

<code>: The <code> element displays its contents as a fragment of computer code. Learn more.

Console: The console API logs debugging messages to the browser development tools' console. Learn more.

Content: The content CSS property sets the content inside of an element or pseudo-element, replacing the current value. It's often used with the ::before and ::after pseudo-elements to generate cosmetic content. Learn more.

Counters (CSS): The counter-reset and counter-increment CSS properties and the counter() and counters() functions automatically number headings or ordered list items. Learn more.

cubic-bezier() easing: The cubic-bezier() CSS easing function interpolates along a smooth curve, creating animations and transitions with continuous changes in speed. The ease, ease-in, ease-out, and ease-in-out keyword values are presets for common Bézier curves. Learn more.

currentColor: The currentColor CSS value allows you to reuse an element's computed text color for other properties. Learn more.

Data URLs: Data URLs are URLs that start with the data: scheme and which directly contain data rather than point to remote resources. Learn more.

Dataset: The dataset API attaches and accesses custom data on elements, using either the dataset property of HTMLElement or attributes prefixed with data-. Learn more.

Date: The Date object represents a single moment in time. Learn more.

<del>: The <del> element element represents a range of text that has been deleted from a document, styling text as strikethrough by default. Learn more.

<dfn>: The <dfn> element marks a term to be defined, styling text as italic by default. Learn more.

Display: The display CSS property sets the display behavior of an element's box within its layout and sets the layout behavior for its child elements. Learn more.

display: list-item: The display: list-item CSS declaration renders an element with the box layout of a <li> HTML element. Learn more.

<div>: The <div> HTML element is the generic container for content. Learn more.

DOM: The DOM (Document Object Model) API represents HTML and XML documents as trees of nodes. You can use the API to inspect and modify the structure and content of a document. Learn more.

DOMParser: The DOMParser API parses XML or HTML source code from a string into a DOM Document. Learn more.

Drag and Drop: The Drag and Drop API lets users drag and drop elements and external files such as images onto web pages. Developers can customize which elements can become draggable, the type of feedback the draggable elements produce, and the droppable elements. Learn more.

<em>: The <em> HTML element emphasizes or stresses the content, styling text as italic by default. Learn more.

em unit: The em CSS length unit is a font-relative length equal to the specified font size. In an element with a 2 inch font, 1em equals 2 inches. Learn more.

:empty: The :empty CSS pseudo-class matches elements without child elements. Learn more.

ex unit: The ex CSS length unit is a font-relative length equal to the used x-height of the first available font. X-height is often equal to the height of the lowercase x. Learn more.

<fieldset> and <legend>: The <fieldset> and <legend> elements group several form control elements within a web form. Learn more.

<figure> and <figcaption>: The <figure> and <figcaption> HTML elements represent an illustration, diagram, text, or other self-contained reference content, with an optional caption. Learn more.

::first-letter: The ::first-letter CSS pseudo-element selects the first letter in an element for styling. Learn more.

::first-line: The ::first-line CSS pseudo-element selects the first line of text in an element for styling. Learn more.

Fixed positioning: The position: fixed CSS declaration removes an element from the normal flow and positions it relative to the viewport or page. Learn more.

float and clear: The float CSS property aligns an element to either side of its container, allowing text and inline elements to flow around it. The clear CSS property sets whether an element is moved below floating elements that proceed it. Learn more.

font-family: The font-family CSS property sets the desired font face for text, along with optional fallback font faces. Learn more.

Font shorthand: The font CSS property shorthand sets multiple font properties, including style, weight, size, and font family. Learn more.

font-size: The font-size CSS property sets the text height. Learn more.

font-style: The font-style CSS property sets the text style, with normal, italic, and oblique options. Learn more.

font-variant: The font-variant CSS property is a shorthand for font-variant-alternates, font-variant-caps, font-variant-east-asian, font-variant-emoji, font-variant-ligatures, font-variant-numeric, and font-variant-position. Learn more.

font-weight: The font-weight CSS property controls the thickness of a font. It is set explicitly with the keyword bold or a number, or relative to the inherited thickness with the keywords bolder or lighter. Learn more.

<form>: The <form> element contains interactive controls for submitting information. Learn more.

Form validity pseudo-classes: The form validity CSS pseudo-classes match <form> elements based on the constraints of a form field, such as validity (:valid, :invalid, :in-range, :out-of-range) and necessity (:optional or :required). Learn more.

Functions: Functions are series of statements that can be called and return a value. The function keyword (as in function () { }) and arrow (=>) expression create functions. The JavaScript functions protocol includes default and rest parameters and binding to this. Learn more.

Geolocation: The navigator.gelocation API requests the user's latitude, longitude, heading, and speed. Learn more.

getComputedStyle(): The getComputedStyle() global method returns an CSSStyleDeclaration object that represents all CSS declarations applied to a given element. Learn more.

Gradients: The linear-gradient() and radial-gradient() CSS functions and their repeating counterparts create backgrounds that progress smoothly between multiple colors. Learn more.

hashchange: The hashchange event fires when the URL fragment identifier (the part of the URL starting with #) of the current page has changed. Learn more.

<head>: The <head> element contains machine-readable information (metadata) about the document, such as the title, <script> and <style> elements, and <meta> elements. Learn more.

<header> and <footer>: The <header> and <footer> HTML elements represent content that precedes and follows the main page content, respectively. Learn more.

<h1> through <h6>: The <h1> through <h6> HTML elements represent six levels of section headings, in order of decreasing importance. Learn more.

<hgroup>: The <hgroup> element represents a heading and related content. Learn more.

History: The window.history API manipulates the browser session history, from navigations to state management, in the tab or frame that the current page is loaded in. Learn more.

<hr>: The <hr> element represents a thematic break between paragraphs, often shown as a horizontal rule. Learn more.

HTTP Strict Transport Security: The Strict-Transport-Security HTTP response header informs browsers that the site should only be accessed using HTTPS, and that any future attempts to access it using HTTP should automatically be converted to HTTPS. Also known as HSTS. Learn more.

<html>: The <html> element represents the top-level of an HTML document and is referred to as the root element. Learn more.

HTTP authentication: The Authorization and WWW-Authenticate headers authenticate a user with a server. Learn more.

HTTP/1.1: HTTP/1.1 is a network protocol used by browsers and servers. It has been superseded by HTTP/2 and HTTP/3. Learn more.

<i>: The <i> HTML element identifies idiomatic content, styling text as italic by default. Learn more.

<iframe>: The <iframe> element embeds another HTML page into the current page. Learn more.

Image maps: The <area> and <map> elements define a clickable area on an image. Learn more.

<img>: The <img> element adds an image into the document. Learn more.

@import: The @import CSS at-rule loads styles from another stylesheet. Learn more.

inherit: The inherit keyword resets any CSS property to the computed value of that property from the parent element. Learn more.

<input>: The <input type="text"> HTML element allows the user to input information into a form. By default, an <input> element is a text input. Learn more.

<input type="button">: The <input type="button"> HTML element represents a button with programmable behavior, and which is inert by default. Learn more.

<input type="checkbox">: The <input type="checkbox"> HTML element represents a checkable box. Learn more.

Email, telephone, and URL <input> types: The <input type="email">, <input type="tel">, and <input type="url"> HTML elements represent email address, telephone number, and URL fields in a form. Learn more.

<input type="file">: The <input type="file"> HTML element represents a field used to upload a file. Learn more.

<input type="hidden">: The <input type="hidden"> HTML element represents a form field that is not displayed visually on the page. Learn more.

<input type="image">: The <input type="image"> HTML element represents an image which can be used to submit a form. Learn more.

<input type="number">: The <input type="number"> HTML element restricts input in the field to numeric data. Learn more.

<input type="password">: The <input type="password"> HTML element represents a field for users to enter passwords while ensuring the typed characters are hidden from view, typically replaced by asterisks. Learn more.

<input type="radio">: The <input type="radio"> HTML element represents a button which can be selected to the exclusion of others, or as one of multiple selections in a group. Learn more.

<input type="reset">: The <input type="reset"> HTML element is rendered as a button, and resets all inputs in the form to their initial values. Learn more.

Input selectors: The :checked, :disabled, and :enabled CSS pseudo-classes match form elements based on their state. Learn more.

<input type="submit">: The <input type="submit"> HTML element submits its associated <form>. Learn more.

<ins>: The <ins> element element represents a range of text that has been inserted into a document, styling text as underlined by default. Learn more.

Iterators and the for...of loop: The for...of loop operates on a sequence of values sourced from an iterable object, such as arrays, array-like objects, DOM collections, iterators, generators, and user-defined iterables. All built-in iterators inherit from the Iterator class. Learn more.

JavaScript (initial core language support): JavaScript is a programming language that runs in browsers, usually through the <script> element. JavaScript has changed over many years. This feature represents the oldest language features, such as built-in objects, statements, and operators. Also known as ECMAScript. Learn more.

JSON: The JSON API provides static methods for parsing values from and converting values to JavaScript Object Notation (JSON), a serialization format for objects, arrays, numbers, strings, Boolean values, and null. Learn more.

<kbd>: The <kbd> element represents textual user input, such as keyboard or voice input, styling text in monospaced type by default. Learn more.

<label>: The <label> HTML element represents a caption for a form field. Learn more.

:lang(): The :lang() CSS functional pseudo-class matches elements based on their content language. Learn more.

Language: The navigator.language read-only property returns a string representing the preferred language of the user, usually the language of the browser UI. The navigator.languages read-only property returns an array of strings representing the user's preferred languages. Learn more.

letter-spacing: The letter-spacing CSS property controls the amount of space between each letter in an element or block of text. Learn more.

line-height: The line-height CSS property sets the spacing between text baselines, oriented to the horizontal or vertical writing mode. Learn more.

<link>: The <link> element creates a relationship between the current document and an external resource, such as a stylesheet or favicon. Learn more.

<ol>, <ul>, and <li>: The <ol>, <ul>, and <li> HTML elements represent ordered and unordered lists. Learn more.

List style: The list-style shorthand CSS property and the list-style-image, list-style-position, and list-style-type longhand properties set the position and appearance of a list item's marker. Learn more.

localStorage and sessionStorage: The localStorage and sessionStorage APIs store data as key-value pairs. While localStorage persists across sessions, sessionStorage data is discarded when the page is closed. Learn more.

Location: The location global object represents the current page's address. You can use it to get the parts of the address (such as location.hostname or location.pathname) or navigate to another URL. Learn more.

<main>: The <main> element represents the dominant content of a document. It is commonly used together with <header> and <footer>. Learn more.

Map (initial support): Map objects hold key-value pairs and remember the original insertion order of the keys. Learn more.

margin: The margin CSS property sets space around an element. It is a shorthand for margin-top, margin-right, margin-bottom, and margin-left. Learn more.

<mark>: The <mark> element represents text which is marked or highlighted for reference or notation purposes. Learn more.

Media queries: The @media CSS rule conditionally applies styles based on the output device type, its capabilities, and the user's preferences. Media queries are composed of an optional media type such as screen or print, and one or more mandatory media features, such as prefers-reduced-animations. Learn more.

<menu>: The <menu> element represents an unordered list of action items (<li>), such as a toolbar. It is a semantic alternative to the <ul> element. Learn more.

<meta>: The <meta> element represents metadata about the page used by the browser or search engines, including description, keywords, and character sets. Learn more.

Min and max width and height: The min-width, min-height, max-width, and max-height CSS properties set the minimum and maximum size of an element. Learn more.

Mouse events: Mouse events, such as click, mousedown, or mousemove, fire when users interact with an input or pointing device such as a mouse, trackpad, or touchscreen. Learn more.

MutationObserver: The MutationObserver API watches for changes to the DOM tree and calls a callback function when DOM changes occur. Learn more.

Named colors: Some CSS color values can be referenced by name, such as red or limegreen. They stand in for specific RGB color values. Learn more.

@namespace: The @namespace CSS rule sets a default namespace or namespace prefix. Namespace prefixes allow CSS selectors to distinguish elements with the same name but different document types, such as the HTML <a> element and the SVG <a> element. Learn more.

<nav>: The <nav> element represents a section of a page whose purpose is to provide navigation links, either within the current document or to other documents. Learn more.

Navigator: The window.navigator API is a generic global object, under which many other, more interesting APIs are located. It doesn't do anything interesting on its own. Learn more.

:nth-child(): The :nth-child() and :nth-last-child() CSS functional pseudo-classes match elements based on their index within a list of elements. The :first-child and :last-child pseudo-classes match the first and last element in a list, and the :only-child pseudo-class matches an element with no siblings. Learn more.

:nth-of-type() pseudo-classes: The :nth-of-type() and :nth-last-of-type() CSS functional pseudo-classes match elements based on their position among siblings of the same type. The :first-of-type, :last-of-type, and :only-of-type` pseudo-classes match the first, last, and only elements of its type. Learn more.

Math and numbers: The number type (and Number object) represents floating-point numbers, such as 42 or -4.201, while the Math API contains mathematical functions and constants. JavaScript can also represent boundless negative and positive values as Infinity or not-a-number as NaN (as in 0 * Infinity). Learn more.

<object>: The <object> element represents an external resource such as a PDF or SVG document. It was historically used for plugins such as Shockwave Flash. Learn more.

OES_element_index_uint WebGL extension: The OES_element_index_uint extension for WebGL 1.0 contexts adds support for gl.UNSIGNED_INT types to WebGLRenderingContext.drawElements(). Learn more.

OES_standard_derivatives WebGL extension: The OES_standard_derivatives extension for WebGL 1.0 contexts adds the GLSL derivative functions dFdx, dFdy, and fwidth. Learn more.

OES_texture_float WebGL extension: The OES_texture_float extension for WebGL 1.0 contexts adds floating-point pixel types for textures. Learn more.

OES_texture_float_linear WebGL extension: The OES_texture_float_linear extension for WebGL 1.0 and 2.0 contexts adds linear filtering with floating-point pixel types for textures. Learn more.

Online status: The navigator.onLine property returns a Boolean for whether the browser is connected to some network (though not necessarily the internet). The online and offline events fire when the connection state changes. Learn more.

opacity: The opacity CSS property sets the transparency of an element. Learn more.

<p>: The <p> element represents a paragraph of text. Learn more.

padding: The padding CSS property sets space between an element's edge and its contents. It is a shorthand for padding-top, padding-right, padding-bottom, and padding-left. Learn more.

Page transition events: The pageshow and pagehide transition events fire when a document loads or unloads due to a navigation, such as clicking on a link on a page or the back button in a browser. Learn more.

Page visibility: The document.visibilityState and document.hidden properties tell you whether the page is visible to the user (for example, it's not minimized or in a background tab). Learn more.

Physical properties: The physical CSS properties, top, right, bottom, and left, set the inset position of an element relative to the corresponding side of a container determined by the element's position property. Learn more.

Position: The position CSS property sets the origin position of an element to an element, the element's scrollport, or the viewport. Learn more.

postMessage: The postMessage() global method sends cross-origin messages to windows and workers, including popups and iframes. Also known as cross-document messaging. Learn more.

<pre>: The <pre> element represents a block element of preformatted text that is presented exactly as written, including all white space. Learn more.

<progress>: The <progress> element displays an indicator showing the completion progress of a task, typically displayed as a progress bar. Learn more.

Promise (initial support): A promise represents an asynchronous operation which eventually succeeds or fails. Learn more.

<q>: The <q> element represents a short inline quotation. Learn more.

Regular expressions: The RegExp object represents a regular expression, a notation for matching text patterns. Learn more.

Relative positioning: The position: relative CSS declaration offsets the position of an element relative to its position in the normal flow. Learn more.

rem: The rem CSS length unit is a font-relative length that is equal to the font size of the root HTML element which for most browsers is 16px. Learn more.

requestAnimationFrame(): The requestAnimationFrame() method schedules a function that runs before the next repaint. You can use it to animate content with JavaScript. Learn more.

:root: The :root pseudo-class matches the root element of the document, usually the <html> element. Learn more.

<ruby>: The <ruby> element produces small annotations that are rendered with its base text. Learn more.

<s>: The <s> HTML element indicates text that is no longer relevant or accurate, styling text as strikethrough by default. Learn more.

<samp>: The <samp> element represents a sample or quoted output from a computer program. Styled in a monospace font by default. Learn more.

<script> and <noscript>: The <script> element contains or loads data or executable code. This is typically used to load JavaScript code. The <noscript> element represents alternative content to show when scripting is not allowed. Learn more.

<input type="search">: The <input> HTML element with the type="search" attribute represents a text field for search queries, which might be styled differently by the browser. Learn more.

<section>: The <section> element is a generic standalone section of a document, which doesn't have a more specific semantic element to represent it. Learn more.

<select>: The <select> element provides a menu of options for a user to pick from, typically rendered as a dropdown list. Learn more.

Set (initial support): Set objects store unique values of any type. Learn more.

setInterval: The setInterval() global function repeatedly executes provided code on a given delay, and the accompanying clearInterval() cancels the interval. Learn more.

setTimeout: The setTimeout() global function executes provided code after a given duration of time, and the accompanying clearTimeout() cancels the timer. Learn more.

<small>: The <small> element represents side-comments and small print, like copyright and legal text, independent of its styled presentation. Styled in a reduced font size by default. Learn more.

<source>: The <source> element sets a media resource for the <picture>, <video>, and <audio> elements. Learn more.

<span>: The <span> HTML element is the generic inline container for content. Learn more.

Static positioning: The position: static CSS declaration positions an element in the normal flow. A statically positioned element ignores physical and logical properties such as top or inset-block-start. Learn more.

String (initial support): The string type (and String object) represents a sequence of characters. Learn more.

<strong>: The <strong> HTML element brings attention to the content, styling text as bold by default. Learn more.

<style>: The <style> element embeds an inline CSS stylesheet in a document. Learn more.

<sub> and <sup>: The <sub> and <sup> elements sets inline text to be displayed as subscript or superscript for solely typographical reasons. Learn more.

SVG filters: The <filter> SVG element applies custom effects such as color manipulation, blurring, or morphing to SVG elements. Learn more.

System colors: The system color CSS keywords, such as ButtonBorder or LinkText, allow you to match default colors from the user agent. Learn more.

Tables: The <table> HTML element, with several related elements, represents tabular data in rows and columns of cells. Learn more.

:target: The :target CSS pseudo-class matches the element with an ID matching the URL fragment. Learn more.

text-align: The text-align CSS property sets the horizontal placement of the inner content of a block element. Learn more.

text-decoration: The text-decoration CSS property sets the style and color of decorative lines including underline, overline, line-through, or a combination of lines. Learn more.

text-indent: The text-indent CSS property sets the size of the empty space (indentation) at the beginning of lines in a text. Learn more.

Text overflow: The text-overflow CSS property sets how hidden overflow content appears to users. The property can clip content, truncate content with an ellipsis (…), or truncate with a custom string. Learn more.

text-shadow: The text-shadow CSS property sets the position and styles of shadow on text. Learn more.

Text tracks: The <track> element is used as a child of the media elements that lets you specify a timed text track to be displayed in parallel with the media element. Learn more.

text-transform: The text-transform CSS property sets text case and capitalization. Learn more.

<textarea>: The <textarea> element represents an editing control that allows users to enter multi-line, free-form, plain text. Learn more.

<title>: The <title> element sets the title of the document and exposes it to users via the UI of the browser or app they're using and through assistive technology. Learn more.

Typed arrays (initial support): Typed arrays are ordered lists of JavaScript values, where all values are of the same numerical type, such as 8-bit integers or 32-bit floating point numbers. Learn more.

<u>: The <u> HTML element makes non-textual annotations, styling text as underlined by default. Learn more.

URL: A URL object represents a web address, like https://example.com/, and parts of the address, such as the domain, path, and query string (as URLSearchParams). Learn more.

User action pseudo-classes: The :active, :focus, and :hover CSS pseudo-classes match elements based on how users are interacting with them. Learn more.

User agent sniffing: The navigator.userAgent read-only property returns the user agent string for the current browser. Selectively showing content based on the user agent string is unreliable. Consider using feature detection instead. Learn more.

<var>: The <var> element represents the name of a variable in a mathematical expression or a programming context. Learn more.

vertical-align: The vertical-align CSS property sets the vertical alignment of inline, inline-block, and table cell elements. It has no effect on block-level elements. Learn more.

<video>: The <video> element plays videos or movies, optionally with controls provided by the browser. Learn more.

visibility: The visibility CSS property sets whether an element is shown. Invisible elements still affect the document layout. Learn more.

<wbr>: The <wbr> HTML element represents a word break opportunity, to explicitly mark a place within a word where a line might be broken. Learn more.

WeakMap: A WeakMap object holds key-value pairs that do not create strong references to its keys, such that value data can be associated with a key without preventing garbage collection of the key. Learn more.

Web Cryptography: The Web Cryptography API performs low-level cryptographic operations, such as encryption, decryption, and signature verification. Also known as the Web Crypto API. Learn more.

WebGL: The WebGLRenderingContext API is the "webgl" rendering context for the <canvas> element. It represents a space for drawing two- and three-dimensional graphics and animations. Learn more.

WEBGL_depth_texture WebGL extension: The WEBGL_depth_texture extension for WebGL 1.0 contexts defines 2D depth and depth-stencil textures. Learn more.

WebSockets: The WebSocket API opens a two-way communication channel between the user's browser and a server. Learn more.

WebVTT: WebVTT is a captions and subtitles format. WebVTT files are loaded using the <track> element, and the VTTCue API can be used to create or update cues dynamically. Learn more.

white-space: The white-space CSS property sets how white space is collapsed and how lines wrap. It is a shorthand for white-space-collapse and text-wrap-mode. Learn more.

Width and height: The width and height CSS properties set the preferred physical size of an element. Learn more.

Window: The window global object represents a browser tab or iframe and its relationship to the document and other tabs. It's also a generic global object, under which many other APIs are located. Learn more.

word-spacing: The word-spacing CSS property sets the amount of white space between words. Learn more.

XMLHttpRequest: The XMLHttpRequest API makes HTTP requests. It's the predecessor to fetch(). Also known as XHR. Learn more.

XMLSerializer: The XMLSerializer API provides the serializeToString() method to construct an XML string representing a DOM tree. Learn more.

XPath: The document.evaluate() method selects elements in an HTML or XML document based on an expression of XPath, a domain specific language for querying XML documents. Also known as XML Path Language. Learn more.

XSLT: The XSLTProcessor API transforms XML documents into new XML or HTML documents, using XSLT stylesheets. You can use XSLT to convert data between different XML schemas or to convert XML data into web pages or PDF documents. Also known as Extensible Stylesheet Language Transformations. Learn more.

z-index: The z-index CSS property orders overlapping elements, with higher values appearing in front of or on top of lower values. Learn more.

July 2015 web platform update

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