I created a webpage in which : When the user clicks a button a iframe opens; I did it by making the iframe display:none in the css file; When ... ... <看更多>

HTML : jQuery Show not working if css class has display : none [ Beautify Your Computer : https://www.hows.tech/p/recommended.html ] HTML ... ... <看更多>

it('should show elements', function() { document.body.innerHTML = '<style>.one {display: none;} </style><div class="one"><div ... ... <看更多>

You can remove all tr which is having style="display: none;" by following jQuery code: jQuery( document ).ready(function() { jQuery( "tr" ) ... ... <看更多>