JavaScript Array unshift
In this Tutorial we want to describe you a code that helps you in
understanding JavaScript Array unshift.The code declare an array variable
instantiate array object, this object hold the element. The for loop run
the script till variable i is less than array length. The document. write print
the element in an array before applying unshift method.
array.unshift ( AA,BB) - This method add elements to the
beginning of an array and returns you the new length.
Similarly this method add element AA,BB to the beginning of an array object
elements.
Again, the for loop run the script till the variable i is less than the array
length. The document. write return you an array after applying unshift method.
JavaScriptArrayUnshift.html
<html>
<head>
<title>JavaScript Array unshift</title>
<h1>JavaScript Array unshift</h1>
<hr></hr>
<script language="javascript" type="text/javascript">
var array=new Array();
array[0]="Rose";
array[1]="India";
array[2]=".net";
array[3]="Rohini";
document.write("<b>"+"Array before applying unshift method: "+"</b>"+"<br>");
for(i=0;i<array.length;i++){
document.write(array[i]+"<br>");
}
</script> <hr></hr>
<script>
array.unshift("AA","BB");
document.write("<b>"+"Array after applying unshift method: "+"</b>"+"<br>");
for(i=0;i<array.length;i++){
document.write(array[i]+"<br>");
}
</script>
</head>
<body>
</body>
</html>
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Output of the program
Download source
code
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