# core-js
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## 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`.
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---
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---
**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/v2.6.9/client/core.min.js): Includes all features, standard and non-standard.
* [as a library](https://raw.githack.com/zloirock/core-js/v2.6.9/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/v2.6.9/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 `Array`
一个可切换周视图和月视图的vue日历组件并且可以显示日程安排及事件标注
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一个可切换周视图和月视图的vue日历组件并且可以显示日程安排及事件标注 （2000个子文件） 
cencode.c 2KB c99func.c 2KB parser.cpp 107KB functions.cpp 80KB extend.cpp 76KB ast.cpp 70KB eval.cpp 57KB prelexer.cpp 48KB context.cpp 32KB color_maps.cpp 32KB json.cpp 32KB inspect.cpp 30KB sass_context.cpp 29KB expand.cpp 27KB sass2scss.cpp 24KB util.cpp 20KB cssize.cpp 18KB file.cpp 17KB units.cpp 15KB sass_values.cpp 14KB binding.cpp 13KB test_subset_map.cpp 12KB bind.cpp 12KB check_nesting.cpp 10KB operators.cpp 10KB node.cpp 10KB output.cpp 9KB sass_functions.cpp 8KB constants.cpp 8KB error_handling.cpp 8KB emitter.cpp 7KB source_map.cpp 7KB environment.cpp 6KB lexer.cpp 6KB plugins.cpp 6KB position.cpp 5KB values.cpp 5KB sass.cpp 5KB sass_util.cpp 4KB color.cpp 4KB map.cpp 4KB custom_importer_bridge.cpp 3KB list.cpp 3KB utf8_string.cpp 3KB SharedPtr.cpp 3KB remove_placeholders.cpp 2KB to_value.cpp 2KB boolean.cpp 2KB listize.cpp 2KB number.cpp 2KB test_node.cpp 2KB to_c.cpp 2KB plugin.cpp 2KB factory.cpp 2KB test_superselector.cpp 2KB sass_context_wrapper.cpp 2KB subset_map.cpp 2KB null.cpp 2KB string.cpp 1KB backtrace.cpp 1KB base64vlq.cpp 1KB test_unification.cpp 892B custom_function_bridge.cpp 812B ast_fwd_decl.cpp 676B error.cpp 570B test_selector_difference.cpp 553B test_specificity.cpp 535B test_paths.cpp 509B create_string.cpp 438B base.css 5KB base.css 5KB base.css 5KB base.css 5KB base.css 5KB style.css 5KB qunit.css 3KB keyframes.css 1KB input.css 1KB expected.css 743B prettify.css 676B prettify.css 676B prettify.css 676B prettify.css 676B prettify.css 676B output.css 662B keyframes.post.css 662B counter-style.css 595B expected.css 378B counter-style.post.css 343B expected.css 240B expected.css 191B expected.css 156B expected.css 115B expected-importer.css 51B expected.css 46B setter-expected.css 43B expected.css 34B expected-orange.css 32B string-conversion-expected.css 30B expected-red.css 29B共 2000 条
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这座城有你2022-04-27垃圾中的垃圾
