test262/harness/isConstructor.js

18 lines
391 B
JavaScript

// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: |
Test if a given function is a constructor function.
defines: [isConstructor]
---*/
function isConstructor(f) {
try {
Reflect.construct(function(){}, [], f);
} catch (e) {
return false;
}
return true;
}