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<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script> <script> $(document).ready(function () { $("button").click(function () { //get width var wd = $('#mydiv').width(); alert("The width of div is " + wd ); //set new width $('#mydiv').width(400); }); }); </script> </head> <body> <h1>jQuery Manipulation Methods: width()</h1> <div id="mydiv" style="background-color: aquamarine;"> This is div. </div> <button>Click Here to test .width()</button> </body> </html>
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