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es5-polyfill's Introduction

ECMAScript 5 Polyfills

Object

Object.keys

Object.getPrototypeOf

Object.getOwnPropertyNames

Object.defineProperty 注意不要给普通对象添加属性时用 get/set,慎用

Object.defineProperties 慎用

Object.create

Array

Array.isArray

Array.prototype.forEach

Array.prototype.every

Array.prototype.fill

Array.prototype.filter

Array.prototype.find

Array.prototype.findIndex

Array.prototype.indexOf

Array.prototype.lastIndexOf

Array.prototype.map

Array.prototype.reduce

Array.prototype.reduceRight

Array.prototype.some

Function

Function.prototype.bind

String

String.prototype.trim

Date

Date.prototype.now

Date.prototype.toISOString

DOM相关

Document.getElementsByClassName

CustomEvent

Element.matches

Element.getBoundingClientRect

弥补了IE中getBoundingClientRect取不到width/height的缺憾

事件绑定/解绑

IE中也使用addEventListener/removeEventListener方法进行事件绑定/解绑

window

getComputedStyle

为IE增加了此API的Polyfill

requestAnimationFrame/cancelAnimationFrame

window.requestAnimationFrame

window.cancelAnimationFrame

Viewport

获取当前窗口的一些属性已经做了兼容,可以直接使用如下属性来获取

window.innerWidth

window.innerHeight

window.pageXOffset

window.pageYOffset

window.scrollX

window.scrollY

es5-polyfill's People

Contributors

luckyadam avatar

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