JavaScript Array

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JavaScript Array
Posted on: November 6, 2009 at 12:00 AM

JavaScript Array: In this tutorial you will come to know about array in JavaScript, how to declare, assign values, access values using simple for loop as well as using for..in loop.
JavaScript Array: Almost every language supports array, which is a collection of similar data type, but in JavaScript scripting language it could be or could not be of same. An array could be a collection of similar or dissimilar datatype. Example 1:

<html>



<head>



<title>Write your title here </title>



<script type="text/javascript" >



var x;



var str=new Array();



str[0]="This";



str[1]=1;



str[2]=true;



str[3]=323.233;



document.write("<b>Using simple for loop</b> <br/>");



for(i=0;i<str.length;i++)



{



document.write(str[i]+"<br/>");



}



document.write("<b>Using for...in or for each loop</b> <br/>");



for(x in str)



{



document.write(str[x]+"<br/>");



}



</script>



</head>



</html>

Output:

Using simple for loop This 1 true 323.233 Using for...in or for each loop This 1 true 323.233

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