Is there any specific reason behind using $ with variable in jQuery

Question

I know it\'s a silly question but I am a bit confused with this. For example, if I have an input with an ID: rad1, is there any difference between below lines o

Answer 1

A composition also works fine:

You can also do something like this to show a

:

function getCompTable(divId){
  var $d = $('#' + divId);
  $d.show();
}

USAGE

getCompTable('compListDiv'); // compListDiv - is a div id=""

Yosi Lev

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