WebAssembly.LinkError

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2017.

The WebAssembly.LinkError object indicates an error during module instantiation (besides traps from the start function).

Constructor

WebAssembly.LinkError()

Creates a new WebAssembly.LinkError object.

Instance properties

WebAssembly.LinkError.prototype.message

Error message. Inherited from Error.

WebAssembly.LinkError.prototype.name

Error name. Inherited from Error.

WebAssembly.LinkError.prototype.cause

Error cause. Inherited from Error.

WebAssembly.LinkError.prototype.fileName

Path to file that raised this error. Inherited from Error.

WebAssembly.LinkError.prototype.lineNumber

Line number in file that raised this error. Inherited from Error.

WebAssembly.LinkError.prototype.columnNumber

Column number in line that raised this error. Inherited from Error.

WebAssembly.LinkError.prototype.stack

Stack trace. Inherited from Error.

Instance methods

WebAssembly.LinkError.prototype.toString()

Returns a string representing the specified Error object. Inherited from Error.

Examples

Creating a new LinkError instance

The following snippet creates a new LinkError instance, and logs its details to the console:

js
try {
  throw new WebAssembly.LinkError("Hello", "someFile", 10);
} catch (e) {
  console.log(e instanceof LinkError); // true
  console.log(e.message); // "Hello"
  console.log(e.name); // "LinkError"
  console.log(e.fileName); // "someFile"
  console.log(e.lineNumber); // 10
  console.log(e.columnNumber); // 0
  console.log(e.stack); // returns the location where the code was run
}

Specifications

Specification
WebAssembly JavaScript Interface
# exceptiondef-linkerror
ECMAScript® 2027 Language Specification
# sec-native-error-types-used-in-this-standard

Browser compatibility

desktop mobile server
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Bun
Deno
Node.js
LinkError
Chrome – Full support
Chrome 57 (Release date: 2017-03-09)
footnote Full support
Edge – Full support
Edge 16 (Release date: 2017-10-17)
footnote Full support
Firefox – Full support
Firefox 52 (Release date: 2017-03-07)
footnote Full support
Opera – Full support
Opera 44 (Release date: 2017-03-21)
footnote Full support
Safari – Full support
Safari 11 (Release date: 2017-09-19)
footnote Full support
Chrome Android – Full support
Chrome Android 57 (Release date: 2017-03-16)
footnote Full support
Firefox for Android – Full support
Firefox for Android 52 (Release date: 2017-03-07)
footnote Full support
Opera Android – Full support
Opera Android 43 (Release date: 2017-09-27)
footnote Full support
Safari on iOS – Full support
Safari on iOS 11 (Release date: 2017-09-19)
footnote Full support
Samsung Internet – Full support
Samsung Internet 7 (Release date: 2018-03-16)
footnote Full support
WebView Android – Full support
WebView Android 57 (Release date: 2017-03-16)
footnote Full support
WebView on iOS – Full support
WebView on iOS 11 (Release date: 2017-09-19)
footnote Full support
Bun – Full support
Bun 1 (Release date: 2023-09-08)
footnote Full support
Deno – Full support
Deno 1 (Release date: 2020-05-13)
footnote Full support
Node.js – Full support
Node.js 8 (Release date: 2017-05-30)
footnote Full support
LinkError() constructor
Chrome – Full support
Chrome 57 (Release date: 2017-03-09)
footnote Full support
Edge – Full support
Edge 16 (Release date: 2017-10-17)
footnote Full support
Firefox – Full support
Firefox 52 (Release date: 2017-03-07)
footnote Full support
Opera – Full support
Opera 44 (Release date: 2017-03-21)
footnote Full support
Safari – Full support
Safari 11 (Release date: 2017-09-19)
footnote Full support
Chrome Android – Full support
Chrome Android 57 (Release date: 2017-03-16)
footnote Full support
Firefox for Android – Full support
Firefox for Android 52 (Release date: 2017-03-07)
footnote Full support
Opera Android – Full support
Opera Android 43 (Release date: 2017-09-27)
footnote Full support
Safari on iOS – Full support
Safari on iOS 11 (Release date: 2017-09-19)
footnote Full support
Samsung Internet – Full support
Samsung Internet 7 (Release date: 2018-03-16)
footnote Full support
WebView Android – Full support
WebView Android 57 (Release date: 2017-03-16)
footnote Full support
WebView on iOS – Full support
WebView on iOS 11 (Release date: 2017-09-19)
footnote Full support
Bun – Full support
Bun 1 (Release date: 2023-09-08)
footnote Full support
Deno – Full support
Deno 1 (Release date: 2020-05-13)
footnote Full support
Node.js – Full support
Node.js 8 (Release date: 2017-05-30)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also