JavaScript/lec15.html at main · Anuradha0066/JavaScript · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=<device-width>, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>

       let arr=[1,2,3,4,5]

    //    Array.prototype.myFind=function(cb){
    //     let res=[]

    //     for(let i=0;i<this.length;i++){
    //       res.push(this[i])
    //     }

    //   return res
    // }
    // let data=arr.myFind((a)=>{
    //     return a==2
    // })
    // console.log();

    Array.prototype.myReduce=function(){
    let acc=initialValue
    }
    let sum=arr.myReduce((a,b)=>{
        return a+b
    },0)
    console.log(sum);

    //sonme ,foreach,every

    </script>
</body>
</html>