JavaScript array index of
In this Tutorial we want to describe that makes you to easy to understand
JavaScript array index of. We are using JavaScript as scripting language. An
array var instantiate array object that hold the values of an elements. The document. write
print the Element in the array are followed by break line. The for loop execute
the script till variable i is less than the length of an array. The document. write
print the value of element that an array object hold specified by [0]-[3] array
indexing followed by break line.
1)index of( ) - This return the position of the value that is hold by
an array object and store in a variable index.
Finally the document. write print the index position of India on array.
JavaScript_array_indexof.html
<html>
<head><h1>JavaScript Array indexof </h1>
<title>JavaScript array indexof </title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<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>"+"Element in the array are "+"</b>"+ "<br />");
document.write("================="+ "<br />");
for(var i=0;i<array.length;i++){
document.write(array[i]+"<br>")
}
document.write("================="+ "<br />");
var index = array.indexOf("India");
document.write("<b>"+"Index of India on the array is: "+"</b>"+index);
</script>
</body>
</html>
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Output of the program
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