WebAssembly.RuntimeError()

201710

**WebAssembly.RuntimeError()** WebAssembly RuntimeError --- WebAssembly

new WebAssembly.RuntimeError(message, fileName, lineNumber)

message
fileName
lineNumber

RuntimeError

WebAssembly.RuntimeError.prototype.constructor
WebAssembly.RuntimeError.prototype.message: ECMA-262 URIError message SpiderMonkey Error.prototype.message
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.

RuntimeError

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

RuntimeError

try {
  throw new WebAssembly.RuntimeError("Hello", "someFile", 10);
} catch (e) {
  console.log(e instanceof 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

2026526 MDN

GitHub