# 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~
基于知识图谱的在线学习推荐系统
共2000个文件
js:22557个
ts:6100个
md:2555个
需积分: 5 6 下载量 147 浏览量
2023-06-15
09:32:09
上传
评论 7
收藏 156.19MB ZIP 举报
温馨提示
本系统的设计工作主要是使用了Java编 程语言, MYSQL数据库,框架是Spring Boot。而前端设计则使用了较新的Vue.js。本 设计完成了对用户登录功能的实现、知识图谱的生成。 同时利用协同过滤算法完成对习 题的推荐, 管理员对用户的管理等功能。页面简洁,对用户友好,推荐系统通过用户搜 索内容基于层次将知识图谱可视化反馈给用户,明了且便捷,可以使用户轻松知晓搜索 内容在知识图谱中的实体与关系,并且接收到协同过滤算法的相关推荐。
资源推荐
资源详情
资源评论
收起资源包目录
基于知识图谱的在线学习推荐系统 (2000个子文件)
nothing.c 0B
chunk-elementUI.68c70ad5.css 228KB
index.css 227KB
index.css 227KB
tabler-icons.css 154KB
tabler-icons.min.css 126KB
skin.css 71KB
skin.css 71KB
skin.css 71KB
skin.css 71KB
skin.min.css 60KB
skin.min.css 60KB
skin.min.css 60KB
skin.min.css 60KB
skin.min.css 42KB
cascader.css 29KB
cascader.css 29KB
date-picker.css 28KB
date-picker.css 28KB
transfer.css 27KB
transfer.css 27KB
col.css 25KB
col.css 25KB
skin.mobile.css 24KB
skin.mobile.css 24KB
skin.mobile.css 24KB
skin.mobile.css 24KB
content.css 24KB
content.css 24KB
content.inline.css 24KB
content.inline.css 24KB
content.inline.css 24KB
content.inline.css 24KB
content.css 23KB
content.css 23KB
pagination.css 23KB
pagination.css 23KB
table.css 22KB
table.css 22KB
content.min.css 21KB
content.min.css 21KB
content.inline.min.css 21KB
content.inline.min.css 21KB
message-box.css 21KB
message-box.css 21KB
content.inline.min.css 21KB
content.inline.min.css 21KB
time-picker.css 21KB
time-picker.css 21KB
content.min.css 21KB
content.min.css 21KB
skin.mobile.min.css 21KB
skin.mobile.min.css 21KB
skin.mobile.min.css 21KB
skin.mobile.min.css 21KB
select.css 18KB
select.css 18KB
slider.css 18KB
slider.css 18KB
tabs.css 16KB
tabs.css 16KB
base.css 16KB
base.css 16KB
dropdown.css 15KB
dropdown.css 15KB
time-select.css 13KB
time-select.css 13KB
table-column.css 13KB
table-column.css 13KB
cascader-panel.css 13KB
cascader-panel.css 13KB
tree.css 13KB
tree.css 13KB
upload.css 12KB
upload.css 12KB
icon.css 12KB
icon.css 12KB
calendar.css 12KB
calendar.css 12KB
bass.css 11KB
autocomplete.css 10KB
autocomplete.css 10KB
button.css 10KB
button.css 10KB
input-number.css 10KB
input-number.css 10KB
app.b20cc996.css 10KB
menu.css 9KB
menu.css 9KB
normalize.css 8KB
color-picker.css 7KB
color-picker.css 7KB
checkbox.css 7KB
checkbox.css 7KB
input.css 7KB
input.css 7KB
visualblocks.css 5KB
base.css 5KB
step.css 5KB
step.css 5KB
共 2000 条
- 1
- 2
- 3
- 4
- 5
- 6
- 20
资源评论
Alveus
- 粉丝: 1663
- 资源: 27
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