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.cause

Error cause. Inherited from Error.

WebAssembly.LinkError.prototype.fileName Non-standard

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

WebAssembly.LinkError.prototype.lineNumber Non-standard

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

WebAssembly.LinkError.prototype.columnNumber Non-standard

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

WebAssembly.LinkError.prototype.stack Non-standard

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:

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

Browser compatibility

See also

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