Remove duplicate values from one array using prototype function.

This free javascript can be used to remove duplicate values in single array using the javascript array prototype function. The array prototype function can be used anywhere to remove duplicates from an array.

Features

  • Give any repeated values with comma separated in the textarea
  • Just click the Remove Duplicates button
  • You can have sorted list of strings or numbers without repeated values

Preview

Deleting Duplicate values in single array:

Downloads

Prototype Function

<!--Script by hscripts.com-->
<!-- Free javascripts @ https://www.hscripts.com -->
<script type="text/javascript">
Array.prototype.sort = function()
{
for(i=0;i<this .length;i++)
{
for(j=i+1;j<this.length;j++)
{
if(Number(this[i]) >Number(this[j]))
{
temp = this[j];
this[j] = this[i];
this[i] = temp;
}
}
}
}
Array.prototype.removeDuplicate = function()
{
// Here we remove duplicate values from first array
var array4 = new Array;
for(var i=0; i<this.length; i++)
{var xx = true;
for(var j=i+1; j<this.length; j++)
{
if(this[i] == this[j])
xx = false;
}
if(xx == true)
array4.push(this[i]);
}
return array4;
}
</script>
<!-- Script by hscripts.com -->


Javascript Code


<!--Script by hscripts.com-->
<!-- Free javascripts @ https://www.hscripts.com -->
<script type="text/javascript">
function del1array()
{var str1=document.txtchk.val1.value;
var array1 = str1.split(',');
array1 = array1.removeDuplicate();
alert(array1);
}
</script>
<!-- Script by hscripts.com -->

  • Get free version without ©copyright link for just $10/-
  • For customization of this script or any script development, mail to support@hscripts.com

Usage

  • Create a form with name "txtchk" and place a texarea with id val1
  • Create a button with name and call the function de11array()by using onclick txtchk.
  • <form name="txtchk"> <textarea id="val1" rows="1" cols="20"></textarea>
    <input value="Remove Duplicates" onclick="del1array()" type="button">
    </form>
  • Now just copy the above free javascript code and prototype function in your web page inside the head tag.

License

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