JavaScript使用循环和分割来替换和删除元素实例

时间:2020-05-13 人气:0

使用循环和分割来替换和删除元素，经测试很简单，但很实用，特别适合新手朋友

<!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还不支持indexOf和splice

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