Editing jquery selector speed This edit will create a new revision. Your details (optional) Name Email (won’t be displayed; might be used for Gravatar) URL Test case details Title * Published (uncheck if you want to fiddle around before making the page public) Description (in case you feel further explanation is needed)(Markdown syntax is allowed) Are you a spammer? (just answer the question) Preparation code Preparation code HTML (this will be inserted in the <body> of a valid HTML5 document in standards mode) (useful when testing DOM operations or including libraries) <div id="container0"></div> <div class="container0 customclassA1 customclassB1"></div> <div id="container1"></div> <div class="container1 customclassA1 customclassB1"></div> <div id="container2"></div> <div class="container2 customclassA2 customclassB1"></div> <div id="container3"></div> <div class="container3 customclassA2 customclassB2"></div> <div id="container4"></div> <div class="container4 customclassA3 customclassB2"></div> <div id="container5"></div> <div class="container5 customclassA3 customclassB2"></div> <div id="container6"></div> <div class="container6 customclassA4 customclassB3"></div> <div id="container7"></div> <div class="container7 customclassA4 customclassB3"></div> <div id="container8"></div> <div class="container8 customclassA5 customclassB3"></div> <div id="container9"></div> <div class="container9 customclassA5 customclassB4"></div> <div id="container10"></div> <div class="container10 customclassA6 customclassB4"></div> <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script> Include JavaScript libraries as follows: <script src="//cdn.ext/library.js"></script> Define setup for all tests (variables, functions, arrays or other objects that will be used in the tests) (runs before each clocked test loop, outside of the timed code region) (e.g. define local test variables, reset global variables, clear canvas, etc.) (see FAQ) Define teardown for all tests (runs after each clocked test loop, outside of the timed code region) (see FAQ) Code snippets to compare Test 1 Title Async (check if this is an asynchronous test) Code $('#container5').css('border','1px solid red'); Test 2 Title Async (check if this is an asynchronous test) Code $('.container5').css('border','1px solid red'); Test 3 Title Async (check if this is an asynchronous test) Code $('div#container5').css('border','1px solid red'); Test 4 Title Async (check if this is an asynchronous test) Code $('div.container5').css('border','1px solid red');