has-property-descriptors Version Badge

github actions coverage dependency status dev dependency status License Downloads

npm badge

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

Example

```js var hasPropertyDescriptors = require('has-property-descriptors'); var assert = require('assert');

assert.equal(hasPropertyDescriptors(), true); // will be false in IE 6-8, and ES5 engines

// Arrays can not have their length [[Defined]] in some engines assert.equal(hasPropertyDescriptors.hasArrayLengthDefineBug(), false); // will be true in Firefox 4-22, and node v0.6 ```

Tests

Simply clone the repo, npm install, and run npm test