WebAssembly.RuntimeError

Baseline

201710

WebAssembly.RuntimeError WebAssembly

WebAssembly.RuntimeError(): WebAssembly.RuntimeError

WebAssembly.RuntimeError.prototype.message: Error
WebAssembly.RuntimeError.prototype.name: Error
WebAssembly.RuntimeError.prototype.fileName: Error
WebAssembly.RuntimeError.prototype.lineNumber: Error
WebAssembly.RuntimeError.prototype.columnNumber: Error
WebAssembly.RuntimeError.prototype.stack: Error

WebAssembly.RuntimeError.prototype.toSource(): Error
WebAssembly.RuntimeError.prototype.toString(): Error Error

RuntimeError

RuntimeError

try {
  throw new WebAssembly.RuntimeError("Hello", "someFile", 10);
} catch (e) {
  console.log(e instanceof WebAssembly.RuntimeError); // true
  console.log(e.message); // "Hello"
  console.log(e.name); // "RuntimeError"
  console.log(e.fileName); // "someFile"
  console.log(e.lineNumber); // 10
  console.log(e.columnNumber); // 0
  console.log(e.stack); // 
}


WebAssembly JavaScript Interface # exceptiondef-runtimeerror
ECMAScript 2027 LanguageSpecification # sec-native-error-types-used-in-this-standard

MDN

MDN 2026523

GitHub