# core-js
[![Sponsors on Open Collective](https://opencollective.com/core-js/sponsors/badge.svg)](#raising-funds) [![Backers on Open Collective](https://opencollective.com/core-js/backers/badge.svg)](#raising-funds) [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/zloirock/core-js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![version](https://img.shields.io/npm/v/core-js.svg)](https://www.npmjs.com/package/core-js) [![npm downloads](https://img.shields.io/npm/dm/core-js.svg)](http://npm-stat.com/charts.html?package=core-js&author=&from=2014-11-18) [![Build Status](https://travis-ci.org/zloirock/core-js.svg)](https://travis-ci.org/zloirock/core-js) [![devDependency status](https://david-dm.org/zloirock/core-js/dev-status.svg)](https://david-dm.org/zloirock/core-js?type=dev)
## As advertising: the author is looking for a good job :)
## [core-js@3, babel and a look into the future](https://github.com/zloirock/core-js/tree/master/docs/2019-03-19-core-js-3-babel-and-a-look-into-the-future.md)
## Raising funds
`core-js` isn't backed by a company, so the future of this project depends on you. Become a sponsor or a backer [**on Open Collective**](https://opencollective.com/core-js) or [**on Patreon**](https://www.patreon.com/zloirock) if you are interested in `core-js`.
---
<a href="https://opencollective.com/core-js/sponsor/0/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/0/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/1/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/1/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/2/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/2/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/3/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/3/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/4/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/4/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/5/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/5/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/6/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/6/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/7/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/7/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/8/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/8/avatar.svg"></a><a href="https://opencollective.com/core-js/sponsor/9/website" target="_blank"><img src="https://opencollective.com/core-js/sponsor/9/avatar.svg"></a>
---
<a href="https://opencollective.com/core-js#backers" target="_blank"><img src="https://opencollective.com/core-js/backers.svg?width=890"></a>
---
**It's documentation for obsolete `core-js@2`. If you looking documentation for actual `core-js` version, please, check [this branch](https://github.com/zloirock/core-js/tree/master).**
Modular standard library for JavaScript. Includes polyfills for [ECMAScript 5](#ecmascript-5), [ECMAScript 6](#ecmascript-6): [promises](#ecmascript-6-promise), [symbols](#ecmascript-6-symbol), [collections](#ecmascript-6-collections), iterators, [typed arrays](#ecmascript-6-typed-arrays), [ECMAScript 7+ proposals](#ecmascript-7-proposals), [setImmediate](#setimmediate), etc. Some additional features such as [dictionaries](#dict) or [extended partial application](#partial-application). You can require only needed features or use it without global namespace pollution.
[*Example*](http://goo.gl/a2xexl):
```js
Array.from(new Set([1, 2, 3, 2, 1])); // => [1, 2, 3]
'*'.repeat(10); // => '**********'
Promise.resolve(32).then(x => console.log(x)); // => 32
setImmediate(x => console.log(x), 42); // => 42
```
[*Without global namespace pollution*](http://goo.gl/paOHb0):
```js
var core = require('core-js/library'); // With a modular system, otherwise use global `core`
core.Array.from(new core.Set([1, 2, 3, 2, 1])); // => [1, 2, 3]
core.String.repeat('*', 10); // => '**********'
core.Promise.resolve(32).then(x => console.log(x)); // => 32
core.setImmediate(x => console.log(x), 42); // => 42
```
### Index
- [Usage](#usage)
- [Basic](#basic)
- [CommonJS](#commonjs)
- [Custom build](#custom-build-from-the-command-line)
- [Supported engines](#supported-engines)
- [Features](#features)
- [ECMAScript 5](#ecmascript-5)
- [ECMAScript 6](#ecmascript-6)
- [ECMAScript 6: Object](#ecmascript-6-object)
- [ECMAScript 6: Function](#ecmascript-6-function)
- [ECMAScript 6: Array](#ecmascript-6-array)
- [ECMAScript 6: String](#ecmascript-6-string)
- [ECMAScript 6: RegExp](#ecmascript-6-regexp)
- [ECMAScript 6: Number](#ecmascript-6-number)
- [ECMAScript 6: Math](#ecmascript-6-math)
- [ECMAScript 6: Date](#ecmascript-6-date)
- [ECMAScript 6: Promise](#ecmascript-6-promise)
- [ECMAScript 6: Symbol](#ecmascript-6-symbol)
- [ECMAScript 6: Collections](#ecmascript-6-collections)
- [ECMAScript 6: Typed Arrays](#ecmascript-6-typed-arrays)
- [ECMAScript 6: Reflect](#ecmascript-6-reflect)
- [ECMAScript 7+ proposals](#ecmascript-7-proposals)
- [stage 4 proposals](#stage-4-proposals)
- [stage 3 proposals](#stage-3-proposals)
- [stage 2 proposals](#stage-2-proposals)
- [stage 1 proposals](#stage-1-proposals)
- [stage 0 proposals](#stage-0-proposals)
- [pre-stage 0 proposals](#pre-stage-0-proposals)
- [Web standards](#web-standards)
- [setTimeout / setInterval](#settimeout--setinterval)
- [setImmediate](#setimmediate)
- [iterable DOM collections](#iterable-dom-collections)
- [Non-standard](#non-standard)
- [Object](#object)
- [Dict](#dict)
- [partial application](#partial-application)
- [Number Iterator](#number-iterator)
- [escaping strings](#escaping-strings)
- [delay](#delay)
- [helpers for iterators](#helpers-for-iterators)
- [Missing polyfills](#missing-polyfills)
- [Changelog](./CHANGELOG.md)
## Usage
### Basic
```
npm i core-js
bower install core.js
```
```js
// Default
require('core-js');
// Without global namespace pollution
var core = require('core-js/library');
// Shim only
require('core-js/shim');
```
If you need complete build for browser, use builds from `core-js/client` path:
* [default](https://raw.githack.com/zloirock/core-js/v2.6.12/client/core.min.js): Includes all features, standard and non-standard.
* [as a library](https://raw.githack.com/zloirock/core-js/v2.6.12/client/library.min.js): Like "default", but does not pollute the global namespace (see [2nd example at the top](#core-js)).
* [shim only](https://raw.githack.com/zloirock/core-js/v2.6.12/client/shim.min.js): Only includes the standard methods.
Warning: if you use `core-js` with the extension of native objects, require all needed `core-js` modules at the beginning of entry point of your application, otherwise, conflicts may occur.
### CommonJS
You can require only needed modules.
```js
require('core-js/fn/set');
require('core-js/fn/array/from');
require('core-js/fn/array/find-index');
Array.from(new Set([1, 2, 3, 2, 1])); // => [1, 2, 3]
[1, 2, NaN, 3, 4].findIndex(isNaN); // => 2
// or, w/o global namespace pollution:
var Set = require('core-js/library/fn/set');
var from = require('core-js/library/fn/array/from');
var findIndex = require('core-js/library/fn/array/find-index');
from(new Set([1, 2, 3, 2, 1])); // => [1, 2, 3]
findIndex([1, 2, NaN, 3, 4], isNaN); // => 2
```
Available entry points for methods / constructors, as above examples, and namespaces: for example, `core-js/es6/array` (`core-js/library/es6/array`) contains all [ES6 `Arra
没有合适的资源?快使用搜索试试~ 我知道了~
优质精品java资源-student-admin.rar
共2009个文件
md:1018个
js:915个
json:41个
需积分: 4 0 下载量 197 浏览量
2024-03-26
23:18:58
上传
评论
收藏 53.46MB RAR 举报
温馨提示
java
资源推荐
资源详情
资源评论
收起资源包目录
优质精品java资源-student-admin.rar (2009个子文件)
intern.docx 16KB
.DS_Store 8KB
.DS_Store 6KB
.DS_Store 6KB
.DS_Store 6KB
.DS_Store 6KB
.DS_Store 6KB
.DS_Store 6KB
.DS_Store 6KB
.DS_Store 6KB
nan.h 86KB
nan_callbacks_12_inl.h 17KB
nan_callbacks_pre_12_inl.h 17KB
nan_weak.h 15KB
nan_implementation_12_inl.h 15KB
nan_maybe_43_inl.h 12KB
nan_new.h 9KB
nan_string_bytes.h 8KB
nan_implementation_pre_12_inl.h 8KB
nan_maybe_pre_43_inl.h 7KB
nan_persistent_pre_12_inl.h 6KB
nan_json.h 6KB
nan_object_wrap.h 4KB
nan_persistent_12_inl.h 4KB
nan_callbacks.h 3KB
nan_typedarray_contents.h 3KB
nan_converters_43_inl.h 3KB
nan_private.h 2KB
nan_converters.h 2KB
nan_converters_pre_43_inl.h 1KB
nan_define_own_property_helper.h 1KB
echarts.js 3.05MB
echarts.esm.js 2.74MB
echarts.common.js 2.06MB
echarts.simple.js 1.52MB
echarts.esm.min.js 964KB
echarts.min.js 963KB
echarts.common.min.js 638KB
echarts.simple.min.js 458KB
vue.js 334KB
vue.esm.js 319KB
vue.common.dev.js 313KB
vue.esm.browser.js 308KB
vue.runtime.js 233KB
vue.runtime.esm.js 222KB
vue.runtime.common.dev.js 218KB
jszip.js 97KB
jszip.min.js 97KB
vue.min.js 91KB
vue.common.prod.js 91KB
vue.esm.browser.min.js 91KB
bn.js 86KB
echarts.js 80KB
install.js 77KB
vue.runtime.min.js 63KB
vue.runtime.common.prod.js 63KB
List.js 56KB
test.js 46KB
LineView.js 36KB
TreemapView.js 31KB
TooltipView.js 31KB
BarView.js 31KB
SliderZoomView.js 30KB
Global.js 28KB
ContinuousView.js 27KB
index.js 27KB
patch.js 26KB
model.js 26KB
BrushController.js 25KB
PictorialBarView.js 25KB
SliderTimelineView.js 25KB
MapDraw.js 24KB
states.js 24KB
url.js 23KB
graphic.js 22KB
TreeView.js 21KB
GaugeView.js 20KB
Scheduler.js 20KB
AxisBuilder.js 20KB
LegendView.js 20KB
Time.js 19KB
x509.js 19KB
labelStyle.js 19KB
barGrid.js 18KB
treemapLayout.js 18KB
install.js 18KB
Series.js 18KB
labelGuideHelper.js 18KB
ZipFileWorker.js 17KB
index.js 17KB
DataZoomModel.js 17KB
OptionManager.js 17KB
ScrollableLegendView.js 17KB
Grid.js 16KB
LabelManager.js 16KB
number.js 16KB
VisualMapping.js 16KB
transform.js 16KB
TooltipHTMLContent.js 16KB
sankeyLayout.js 16KB
共 2009 条
- 1
- 2
- 3
- 4
- 5
- 6
- 21
资源评论
码农阿豪
- 粉丝: 1w+
- 资源: 1750
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功