why use JQUERY – for compatibility purposes. cross-browser.


standards mode – followed w3c recommendation

quirks mode –


download – http://docs.jquery.com/Downloading_jQuery

$jquery(); = $();


<script src = “jquery-1.8.1.js”></script>




– render html code









source code:

<!DOCTYPE html>

        <title>THIS FILE IS FOR jquery REFERENCE</title>
                <style type=”text/css” media=”screen”>
                    #watch {border:1px solid #ababab;}                               
                <script charset=”utf-8″ src=jquery-1.18.1.js”><script>
                <script charset=”utf-8″>
                    $(“#watch”).html(“Hello World”);
                    var mybutton = $(“#btn1”);
                        mybutton.val(“Hello Function callback”);
        <div id=”watch”>
        <input type=button id=”btn1″>


touch README

echo “This is readme” > README


git add

git commit –m “”

git push –u origin master


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