uncaught typeerror is not a function javascript

1jQuery(document).ready(function($){
2
3    // jQuery code is in here
4
5});

1<script src='jquery.js'></script>    
2if (typeof $ == 'undefined') {
3   var $ = jQuery;
4}
5

1    <script src="https://code.jquery.com/jquery-3.1.1.min.js" integrity="sha384-3ceskX3iaEnIogmQchP8opvBy3Mi7Ce34nWjpBIwVTHfGYWQS9jwHDVRnpKKHJg7" crossorigin="anonymous"></script>
2

1(function( $ ) {
2  "use strict";
3
4  $(function() {
5
6    //Your code here
7
8  });
9
10}(jQuery));
11

1/Uncaught TypeError: $ is not a function
2
3// Usually this is because Jquery doenst know what $ is 
4// because it isn't described
5
6jQuery(document).ready(function() {
7
8	// In the brackets you write your Code
9  	// for each new function you start with
10  
11  jQuery(window).scroll(function(){
12	// etc..  
13  )};
14
15};
16// If you are testing on a localhost dont forget to embed the latest jQuery
17

1(function ($) {
2   $(document).
3}(jQuery));
4