JavaScript Array
An array is an object that can store similar type item or collections of items.
How to declare an array? :
var group=[“A”,” B”,” C”]
We can access all element like the previous array concept.
If I want to find the element of 0 indexes then use group[0] and others like this.
JavaScript Array Methods
Here we will learn some important methods which used in JavaScript.
-
Reverse
-
Sort
-
Pop
-
Shift
-
push
Example:
<html>
<head>
<title>Arrays</title>
<script type="text/javascript">
var students = new Array("naveen", "jitendra",);
Array.prototype.displayItems=function(){
for (i=0;i<this.length;i++){
document.write(this[i] + "<br />");
}
}
document.write("students array<br />");
students.displayItems();
document.write("<br />The number of items in students array is " + students.length + "<br />");
document.write("<br />The SORTED students array<br />");
students.sort();
students.displayItems();
document.write("<br />The REVERSED students array<br />");
students.reverse();
</script>
</head>
<body>
</body>
</html>