TypeError is not a function when calling jQuery function

Question

I have a simple jQuery script in a WordPress plugin that is using a jQuery wrapper like this     document  ready function            jQuery code is in here        I am calling this script from within the WordPress Dashboard and am loading it AFTER the jQuery framework has loaded   When I check the page in Firebug I constantly keep receiving the error message      TypeError    is not a function        document  ready function      Should I maybe wrap the script in this function    function             jQuery code is in here     jQuery     I have had this error quite a few times and am not sure how to handle it   Any help would be greatly appreciated

User · Answer

Double check your jQuery references  It is possible that you are either referencing it more than once or you are calling your function too early  before jQuery is defined   You can try as mentioned in my comments and put any jQuery reference at the top of your file  in the head  and see if that helps   If you use the encapsulation of jQuery it shouldn t help in this case  Please try it because I think it is prettier and more obvious  but if jQuery is not defined you will get the same errors   In the end    jQuery is not currently defined

User · Answer

Also  I find the good solution for use jQuery noConflict mode   function          document  ready function             write code here             or also you can write jquery code like this    jQuery document  ready function             write code here           jQuery    I found this solution from here TryVary com

User · Answer

This solution worked for me     function            your code    jQuery     Move your code inside the closure and use   instead of jQuery  I found the above solution in https   magento stackexchange com questions 33348 uncaught-typeerror-undefined-is-not-a-function-when-using-a-jquery-plugin-in-ma      after searching too much

User · Answer

var   jQuery noConflict       document  ready function           jQuery code is in here       Credit to Ashwani Panwar and Cyssoo answer  https   stackoverflow com a 29341144 3010027

User · Answer

Try this    lt script language  JavaScript  type  text javascript  src  jquery jquery js  gt  lt  script gt   lt script gt      jQuery noConflict         function               function readyFn                    Set your code here                        document  ready readyFn           jQuery     lt  script gt

User · Answer

What worked for me  The first library to import is the query library and right then call the jQuery noConflict   method     lt head gt    lt script type  text javascript  src  jquery min js   gt    lt script gt    var jq   jQuery noConflict      jq document  ready function             your code here           lt  script gt

User · Answer

lt script gt  var jq jQuery noConflict     function                function nameoffunction                    Set your code here                document  ready readyFn           jQuery       now use jq in place of jQuery

User · Answer

You have to pass   in function     lt script gt  jQuery document  ready function         jQuery code is in here       lt  script gt

User · Answer

function           use strict        function            Your code here           jQuery

User · Answer

Use  jQuery document     instead of    document     or   Within the function    points to jQuery as you would expect   function            document     jQuery

User · Answer

replace   sign with jQuery  like this   jQuery function      your code here

User · Answer

By default when you enqueue jQuery in Wordpress you must use jQuery  and   is not used  this is for compatibility with other libraries    Your solution of wrapping it in function will work fine  or you can load jQuery some other way  but that s probably not a good idea in Wordpress    If you must use document ready  you can actually pass   into the function call   jQuery function

User · Answer

This should fix it   jQuery document  ready function         you can now use   as your jQuery object    var body       body           Put simply  WordPress runs their own scripting before you can and they release the   var so it won t collide with other libraries  This makes total sense  as WordPress is used for all kinds of web sites  apps  and of course  blogs   From their documentation      The jQuery library included with WordPress is set to the noConflict     mode  see wp-includes js jquery jquery js   This is to prevent   compatibility problems with other JavaScript libraries that WordPress   can link       In the noConflict   mode  the global   shortcut for jQuery is not   available

User · Answer

You can avoid confliction like this   var jq jQuery noConflict    jq document  ready function        alert  Hi this will not conflict now      jq  selector   show

User · Answer

You can use jQuery document  ready function                or  function                jQuery

User · Answer

You come across this issue when your function name and one of the id names in the file are same  just make sure all your id names in the file are unique

[jquery] TypeError: $ is not a function when calling jQuery function

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