Array

The JavaScript Array class is a global object that is used in the construction of arrays; which are high-level, list-like objects.

Description

Arrays are list-like objects whose prototype has methods to perform traversal and mutation operations. Neither the length of a JavaScript array nor the types of its elements are fixed. Since an array's length can change at any time, and data can be stored at non-contiguous locations in the array, JavaScript arrays are not guaranteed to be dense; this depends on how the programmer chooses to use them. In general, these are convenient characteristics; but if these features are not desirable for your particular use, you might consider using typed arrays.

 

JavaScript array literal

The syntax of creating array using array literal is given below:

1. var arrayname=[value1,value2.....valueN];  

As you can see, values are contained inside [ ] and separated by , (comma).

Let's see the simple example of creating and using array in JavaScript.

<script>  
var emp=["Sonoo","Vimal","Ratan"];  
for (i=0;i<emp.length;i++){  
document.write(emp[i] + "<br/>");  
}  
</script>