WebAssembly.LinkError

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.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.toSource()

Returns code that could eval to the same error. Inherited from Error.

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:

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 Language Specification (ECMAScript)
# sec-native-error-types-used-in-this-standard

Browser compatibility

BCD tables only load in the browser

See also