WebAssembly.LinkError

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

WebAssembly.LinkError()

Creates a new WebAssembly.LinkError object.

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.

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.

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
}

• WebAssembly overview page
• WebAssembly concepts
• Using the WebAssembly JavaScript API