09 2020 档案
摘要：接着上一篇文章，React.createContext() 给这个东西赋值比如叫 let CounterContext = React.createContext(); 那么CounterContext它里面肯定是有provider,consumer的， 而useContext做的就是把Counte
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摘要：import React from 'react' import ReactDOM from "react-dom" const {Provider,Consumer} = React.createContext() class ContextDemo extends React.Component
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摘要：import React from 'react'; import ReactDOM from 'react-dom'; let hooksIndex = 0 const hooksState = [] const useState = (initialValue)=>{ hooksState[ho
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摘要：function curring(fn,args=[]){ let l = fn.length return function(...arg){ let newArgs = [...arg,...args] if(newArgs.length == l){ return fn(...newArgs)
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摘要：1.取当前月份最后一天 function getCurrentMonthLast(){ var date=new Date(); var currentMonth=date.getMonth(); var nextMonth=++currentMonth; var nextMonthFirstDay
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