Access Query string in javascript

Many time we need to access query string through javascript for a specific task but there is no built in funciton of javascript to access querystring.

You have to make your own function just read current url string by window.location.href property of javascript, split this urlstring by the char '?' and '&', enumerate this array of string and further split by the char '=' then the first value must be the key and second one is the value of that key.

deleting/removing row of a table using javascript

Here is an example to delete row dynamically by their position. 

dynamicTbl =Table Client id

function deleterow() {

Adding dynamic row and control into a table through javascript

How to add TR , TD and Controls into a table from javascript:-
here is a example to add row and file upload into table dynamiclly.
while table row cantain 3 cell.

var count = 0;

function addrow() {

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