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44 lines
2.2 KiB
Markdown
44 lines
2.2 KiB
Markdown
10 months ago
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# has-property-descriptors <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
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[![github actions][actions-image]][actions-url]
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[![coverage][codecov-image]][codecov-url]
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[![dependency status][deps-svg]][deps-url]
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[![dev dependency status][dev-deps-svg]][dev-deps-url]
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[![License][license-image]][license-url]
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[![Downloads][downloads-image]][downloads-url]
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[![npm badge][npm-badge-png]][package-url]
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Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
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## Example
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```js
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var hasPropertyDescriptors = require('has-property-descriptors');
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var assert = require('assert');
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assert.equal(hasPropertyDescriptors(), true); // will be `false` in IE 6-8, and ES5 engines
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// Arrays can not have their length `[[Defined]]` in some engines
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assert.equal(hasPropertyDescriptors.hasArrayLengthDefineBug(), false); // will be `true` in Firefox 4-22, and node v0.6
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```
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## Tests
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Simply clone the repo, `npm install`, and run `npm test`
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[package-url]: https://npmjs.org/package/has-property-descriptors
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[npm-version-svg]: https://versionbadg.es/inspect-js/has-property-descriptors.svg
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[deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors.svg
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[deps-url]: https://david-dm.org/inspect-js/has-property-descriptors
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[dev-deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors/dev-status.svg
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[dev-deps-url]: https://david-dm.org/inspect-js/has-property-descriptors#info=devDependencies
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[npm-badge-png]: https://nodei.co/npm/has-property-descriptors.png?downloads=true&stars=true
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[license-image]: https://img.shields.io/npm/l/has-property-descriptors.svg
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[license-url]: LICENSE
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[downloads-image]: https://img.shields.io/npm/dm/has-property-descriptors.svg
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[downloads-url]: https://npm-stat.com/charts.html?package=has-property-descriptors
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[codecov-image]: https://codecov.io/gh/inspect-js/has-property-descriptors/branch/main/graphs/badge.svg
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[codecov-url]: https://app.codecov.io/gh/inspect-js/has-property-descriptors/
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[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-property-descriptors
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[actions-url]: https://github.com/inspect-js/has-property-descriptors/actions
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