More often than not I find myself using only few jQuery selectors to locate elements in DOM for event binding; however, jQuery also offers some powerful psedo-RegEx selectors for locating elements.   Say, you have the following HTML5 markup:   --------------------------------------------------  <!DOCTYPE HTML>  < html  lang = "en" >  < head >      < meta  charset = "UTF-8" >      < title > JQuery Selector </ title >  </ head >  < body >      < article  class = "post-article" >          < header  class = "article-header" > </ header >          < p  class = "article-content" > </ p >      </ article >  </ body >  </ html >   --------------------------------------------------   You can use the following selectors to locate the "article-header" element.   1- Using closest      $(".post-article").closest("header").fi...
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