Use loops and splits to replace and delete elements. It has been tested to be simple but very practical, especially suitable for novice friends
<!DOCTYPE>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>使用循环和分割来替换和删除元素</title>
<script>
var arr = new Array("ab","aa","bc","ab","ss","ab","ss","dd","ab","aa","aa","aa");
while(arr.indexOf("ab") != -1){
console.log("1"+arr);
arr.splice(arr.indexOf("ab"),1,"**");
}
console.log(arr);
while(arr.indexOf("**") != -1){
console.log(arr);
arr.splice(arr.indexOf("**"),1);
}
console.log(arr);
</script>
</head>
<body>
</body>
</html>ie8 does not yet support indexOf and splice
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
