javascript uncaught referenceerror $ is not defined at code example

Example 1: Uncaught ReferenceError: $ is not defined

make sure that your jquery script is being loaded before every other script

Example 2: Uncaught ReferenceError: $ is not defined

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>