Dynamic Arrays:
In many a cases we will not want to create the array with a fixed size or length.
In such cases we can create an array with out passing length. This array will dynamically set its value
as and when a new variable or entry is added.
Syntax:
var araay = new Array();
Now we can assign value at any position in this array as it has no length limit.
We can test this by using the attribute "length".
e.g:
varname[6] = "testing array";
As we have assigned a value at 6th position the length of array will now be 7.
Example Code:
<script language="javascript">
var araay = new Array();
araay[6] = "testing array";
document.write("Size of dynamic array is - "+araay.length);
</script>
Result:
Dense Array:
Dense array is nothing different in functionality from a normal array.
The only difference is that the values are assigned to the array at the time of initialization
of the array.
E.g: var arraa = new Array("index 0","index 1","index 2");
Example Code:
<script language="javascript">
var arraa = new Array("array test 1","array test 2");
document.write("Result from dense array is - "+arraa[1]);
</script>
Result:
In the next chapter we will look into the predefined methods of Array object ..
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Introduction
