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Replace or update the parameter value of url query string in Javascript

In this post I am going to discuss about url query string and some of simple but critical issues arise in time of web development. These are javascript issues. There are lots of issues but whatever I faced, going to discuss with example in this post. Replace or update the parameter value of query string Continue Reading


What is JavaScript Closures

In JavaScript closures are objects that contains a function which bound by reference to the environment in which the function was created.closures makes a function to have private variables. Examples will make it clear. In javascript variables has local or global scope. So to make global variables local JavaScript closures will make it clear. A Continue Reading


Remove an element from an array in JavaScript

Javascript useful codes In time of web development web developers are facing several issues in string , array time loop etc, I am writing some of frequently arrived issues regarding array time loop etc with the approximate solutions. How to remove a element from an array in JavaScript First, we have to find the index Continue Reading


How to get the selected option text of select box in jQuery

<html> <head> <title>How to get the selected option text of select box in jQuery</title> <script src=””></script> </head> <body> <div>How to get the selected option text of select box in jQuery</div> <select id=”gettext”> <option value=”1″>One</option> <option value=”2″>Two</option> <option value=”3″>Three</option> </select> <div> You have selected : <span id=”selectedtext” style=”color:red”></span> </div> <script> $(document).ready(function(){ $(‘#gettext’).click(function(){ $(‘#selectedtext’).text($(‘#gettext option:selected’).text()); }) }); Continue Reading


Object-Oriented programming in javascript

Object-Oriented programming Object-Oriented programming is a programming paradigm  based on concept of a objects, that uses abstraction to create model based on real world. It is a model organized around objects rather than “actions” and data rather than logic. OOP provides a clear modular structure for programs.OOP makes it easy to maintain and modify existing Continue Reading


How to make sticky sidebar using jquery and css

Sticky sidebar is an essential part of web development. Not in all cases but for some cases where our page has more content in one side and so we need to fix the other side on scroll of the page. Javascript css sticky sidebar is the important part of web development The Jquery part <script> Continue Reading


Get query string parameters with javascript

Query String There are three methods to send data to a server are GET, POST, and PUT, defined in Hypertext Transfer Protocol (HTTP). The GET request appends data to the end of the URL in the form of a list of field=value pair which is known as query string. The query string is an internet standard format. Continue Reading


Google map to find waypoints in directions via location

Google map to find way points via location on to given location .The following code is the direction waypoins with search auto complete. Only Google map api key is require to run the code Limits and Restrictions for Waypoints The following usage limits and restrictions are in waypoints: The maximum number of waypoints allowed is Continue Reading


How to make custom modal pop up using javascript and css

Web developers often use modal features in websites as a part of their work. Yet lot of good modal plugins are available but if we want to create our own custom javascript plugin then what to do? . When we are using multiple jquery plugins in our web page it is seen the jquery libraries Continue Reading

About the author

Joydeb Choudhury holds a Master's degree in Computer Application from I.G.N.O.U. After working as a web developer in various companies he has started bloging in 2016.

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