iteration - jquery each function for dynamically elements -


I dynamically use Jquery's .attr ('class', 'show') in my code Adding a square . But when I use it like the .each () function: 

  $ ('show A'). Each (function () {warning (0);});

This does not work

I manually add 'Show' class.

How can I do this dynamic? Instead of trying to set the class through "


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