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JavaScript

Posted by Suresh Raina
Suresh Raina
Courses Plus Student 205 Points

variable declaration jquery

why we declare variable like this can any one tell me

  var $overlay =  $('<div id="overlay"></div>')

1 Answer

Chyno Deluxe
Chyno Deluxe
16,936 Points

The $ (Dollar Sign) is not mandatory or best practice, but rather helpful to the developer. By adding a $ in front of the variable name, you understand that this variable calls a DOM Element.