Test case details

Preparation Code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"> </script> <div id="element" style="width:200px">   My Element </div>

Test cases

Test #1

var element = $("#element"),     width2 = parseInt(element.css("width"), 10);

Test #2

var element = $("#element"),     width2 = element.width()

Test #3

var element = document.getElementById("element"),     width1 = parseInt(element.style.width, 10);