JavaScript USES loops and splits to replace and delete element instances

2020-03-30 04:07:58
OfStack

The use of looping and splitting to replace and delete elements has been tested to be simple but practical, especially for novice users


<!DOCTYPE> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 
<title> Use loops and splits to replace and delete elements </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>