A few months ago this article pointed out that classes could actually be avoided all together from website development.   My question is, how efficient are the data selectors compared to class selectors?   A simple example would be to compare queryin...
HTML  <body> <div class="lol"> <a class="rightArrow" href="javascriptVoid:(0);" title"Next image"> </div> </body>   Pseudo Code  $(".rightArrow").click(function() { rightArrowParen...
How can a set of CSS selectors be sorted on the basis of CSS specificity in a JS function?  function SortByCssSpecificity(input_array_of_css_selectors) {   ...   return sorted_array_of_css_selectors; }...
I know there is an extension called Dust-Me Selectors for Firefox and also that it doesn't look at dynamic HTML generated by JavaScript.  I'm looking for tool(s) that can identify all unused selectors from a stylesheet, attached to several pa...
XPath can do everything querySelector can do, and more, so when would you ever choose the latter? I haven't seen any speed benchmarks comparing the two, so right now I'm choosing based on syntax conciseness, which seems kind of arbitrary.  Ed...
Is it possible to get the next sibling by using by.cssContainingText()  Example: HTML code is like below:  <div ng-repeat="SomeNgRepeat" class="ng-scope">     <div class="text-label" >SomeText</div>     <d...
I have, the div's where id looks like this_div_id_NUMBER, all div's has the different NUMBER part. How I find all div's just using this_div_id part of id ?...
I need to get all the direct children of an element. As it is here:  <div class='1'>     <div class='2'>         <div class='3'></div>     </div>     <div class='2'></div> <...
I have two tables on a page.  How do I address the second one, id="tapp", to run show/hide nth-child functions?  I've ignorantly tried to address the particular table by adding the id reference to the beginning of 'td:nth-child...'...

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