Exception handling (WebAssembly)

Exceptions break the normal control flow of execution to represent exceptional behavior, such as an error. You can respond to the exception in JavaScript code.

Learning resources on MDN

• WebAssembly.Exception
• WebAssembly.Exception constructor
• WebAssembly.Exception.prototype.getArg()
• WebAssembly.Exception.prototype.is()
• WebAssembly.Exception.prototype.stack
• WebAssembly.Tag
• WebAssembly.Tag() constructor
• WebAssembly.Tag.prototype.type()

Browser support

• Chrome 95 Released on 2021-10-19
• Chrome Android 95 Released on 2021-10-19
• Edge 95 Released on 2021-10-21
• Firefox 100 Released on 2022-05-03
• Firefox for Android 100 Released on 2022-05-03
• Safari 15.2 Released on 2021-12-13
• Safari on iOS 15.2 Released on 2021-12-13

Edit this feature - Report an issue about this feature