jquery each()
  What is jQuery .each()  jQuery’s each()  function is  used to loop through each element of the target jQuery object. In case  you’re not really experienced in jQuery, I remind you that a jQuery  object is an object that contains one or more DOM elements, and exposes  all jQuery functions. It’s very useful for multi-element DOM  manipulation, looping arbitrary arrays, and object properties. In  addition to this function, jQuery provides a helper function with the  same name that can be called without having previously selected or  created DOM elements. Let’s find out more in the next sections.    jQuery’s .each()  Syntax  Let’s see the different modes in action.   The following example selects every div   on the web page and outputs the index and the ID of each of them. A  possible output is: “div0:header”, “div1:body”, “div2:footer”. This  version uses jQuery’s each()  function as opposed to the utility function.   // DOM ELEMENTS  $ ( 'div' ) . each ( function  ( index ,  va...