WebAssembly.CompileError

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.

TheWebAssembly.CompileError object indicates an error during WebAssembly decoding or validation.

Constructor

WebAssembly.CompileError(): Creates a newWebAssembly.CompileError object.

Instance properties

WebAssembly.CompileError.prototype.message: Error message. Inherited fromError.
WebAssembly.CompileError.prototype.name: Error name. Inherited fromError.
WebAssembly.CompileError.prototype.cause: Error cause. Inherited fromError.
WebAssembly.CompileError.prototype.fileNameNon-standard: Path to file that raised this error. Inherited from Error.
WebAssembly.CompileError.prototype.lineNumberNon-standard: Line number in file that raised this error. Inherited from Error.
WebAssembly.CompileError.prototype.columnNumberNon-standard: Column number in line that raised this error. Inherited from Error.
WebAssembly.CompileError.prototype.stackNon-standard: Stack trace. Inherited from Error.

Instance methods

WebAssembly.CompileError.prototype.toString(): Returns a string representing the specifiedError object. Inherited fromError.

Examples

Creating a new CompileError instance

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

try {  throw new WebAssembly.CompileError("Hello", "someFile", 10);} catch (e) {  console.log(e instanceof CompileError); // true  console.log(e.message); // "Hello"  console.log(e.name); // "CompileError"  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}