Test case details

Preparation Code

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> <div id="remove"></div> <script type = "text/javascript"> $elem = $("#remove"); function showElement(element){       element[0].style.display = "block"; } function hideElement(element){       element[0].style.display = "none"; } </script>

Test cases

Test #1

$elem.show(); $elem.hide();

Test #2

$elem.css("display", "block"); $elem.css("display", "none");

Test #3

$elem[0].style.display = "block" $elem[0].style.display = "none";

Test #4

showElement($elem); hideElement($elem);