Uncaught TypeError: $ is not a function in wordpress code example

Example 1: uncaught TypeError: $ is not a function

(function( $ ) {
  "use strict";

  $(function() {

    //Your code here

  });

}(jQuery));

Example 2: uncaught TypeError: $ is not a function

(function($){

  $(document).ready(function(){
      // write code here
  });

  // or also you can write jquery code like this

  jQuery(document).ready(function(){
      // write code here
  });

})(jQuery);