function duplicates(arr) { let obj={} let array=[] for(let i=0;i<arr.length;i++){ if(Object.keys(obj).indexOf(arr[i].toString())>-1){ obj[arr[i]]++ }else{ obj[arr[i]]=1 } } Object.keys(obj).forEach(it...

btn.onclick = () => { // 补全代码 let mytext = text.innerText; let myvalue = new RegExp(search.value,'g'); if(search.value!==''){ mytext = mytext.replace(myvalue, `<b style="background:yellow;">${search.value}</b>`); } ...

const _findMostType = (array) => { // 补全代码 let typaArr = []; array.forEach((item, index) => { let currentType = typeof item; console.log(currentType); typaArr.push(currentType); }); const countObj = typaArr.reduce((obj, newv...

const _api = string => {                // 补全代码                if(string.includes('get?')){                    return data                }                if(string.includes('update?')){                    let str=string.split('?')[1].split('&')                    for(let i=0;i<data.length...

<script type="text/javascript">      // 补全代码      let zjAdd = document.querySelector("#zjtaishaola");      let zjSub = document.querySelector("#zjtaiduola");      let klAdd = document.querySelector("#kltaishaola");      let klSub = document.querySelector...

}else{ len=Math.floor(string.length/2) console.log(len) let left=len-1 let right=len+1 while(string[left]===string[right] && string[left]){ if(left===0){ console.log('t...

const _elementKey = () => {                // 补全代码                let p=document.getElementsByTagName('p')                let map=new Map()                return map.set(p[0],p[0].innerText)            }

class Rectangle {                // 补全代码                constructor(height,width){                    this.area=height*width                }            }

const _isSameSet = (s1, s2) => { // 补全代码 let arr1=Array.from(s1).sort((a,b)=>a.charCodeAt()-b.charCodeAt()) let arr2=Array.from(s2).sort((a,b)=>a.charCodeAt()-b.charCodeAt()) return JSON.stringify(arr1)===JSON.stringify(arr2) ...

const _symbolKey = array => { // 补全代码 let obj={} for(let i=0;i<array.length;i++){ obj[Symbol(array[i])]=array[i] } return obj }

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