The page lifecycle API helps you safely handle page suspensions or discards from memory. The freeze and resume events fire when the browser suspends or resumes a page from memory while the document.wasDiscarded property reports whether the page was reloaded after being dropped.

Browser support

• Chrome 68 Released on 2018-07-24
• Chrome Android 68 Released on 2018-07-24
• Edge 79 Released on 2020-01-15
• Firefox ❌
• Firefox for Android ❌
• Safari ❌
• Safari on iOS ❌

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