roose
/
test


			
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        @media screen and (min-width: 200px) {

            body {
                font-size: 10px;

            }

        }

        @media screen and (min-width: 1000px) {

            body {

                font-size: 50px;

            }
        }

    </style>
</head>
<body>
<div>和哦哦</div>
<div>111</div>
<div>222</div>
<button onclick="oo()">88800000</button>
<script>
    function oo() {
        console.log("分支的呢")
        // let arr = [
        //\     {name :'11',age:20},
        //     {name :'哈哈',age:30},
        //     {name :'xixi',age:40},
        // ]
        // arr = arr.map(item=>{
        //     if (item.age == 30){
        //         return {
        //             address:'背景'
        //         }
        //     }
        //     return item
        // })
        // console.log(arr,"改变后的")
        const nub = [{name: '这三年是', age: 20}, {name: '这2323三年是', age: 22}, {name: '这111三年是', age: 25},]
        const nubs = [{name: '这三年是', age: 30}, {name: '这2323三年是', age: 22}, {name: '这111三年是', age: 29},]
        // for(let i of nub){
        //     if (i.age == 22) {
        //         return;
        //     }
        //     console.log(i,"看看")
        // }
        let arr = nub.map(item => {
            nubs.map(itmes=>{
              if (itmes.name == item.name){
                  return itmes
              }

            })

            return ''
        })
        console.log(arr, "dsss")
        let nums = [{name:'20'}];
        nums[0].a = '10';
        console.log(nums,"111111111111111")


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