TypeError undefined is not a function evaluating document

Question

I m using a WordPress site  I m including this script in the header    When the script loads  I get this error      TypeError   undefined  is not a function  evaluating    document      I have no idea what is causing it or what it even means   In firebug  I get this        is not a function

User · Answer

Also check for including jQuery  followed by some components other libraries  like jQuery UI  and then accidentially including jQuery again - this will redefine jQuery and drop the component helpers  like  datepicker  off the instance

User · Answer

Use this   var    jQuery noConflict

User · Answer

You can pass   in function    jQuery document  ready function         jQuery code is in here        or you can replace   document   with this jQuery document    or you can use jQuery noConflict    var jq jQuery noConflict    jq document  ready function        jq  selector   show

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I ran into this problem also when including jQuery in my page header  not realizing the host was already including it in the page automatically  So load your page live and check the source to see if jQuery is being linked in

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I had this problem only on Chrome    I tried adding  var    jQuery noConflict      just before calling    document  ready function        It worked    Thanks a lot

User · Answer

Two things    Be sure that you have jQuery library added  before your   document   Then just change all     with  jQuery   as the previous comments

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You can use both jQuery and   in below snippet  it worked for me  jQuery  document   ready function             jQuery document         document

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Wordpress uses jQuery in noConflict mode by default   You need to reference it using jQuery as the variable name  not    e g  use  jQuery document     instead of    document     You can easily wrap this up in a self executing function so that   refers to jQuery again  and avoids polluting the global namespace as well   e g    function            document     jQuery

User · Answer

Use jQuery s noConflict  It did wonders for me  var example jQuery noConflict    example function    example  div rift connect   click function        example  span resultado   text  Hello  dude                   That is  assuming you included jQuery on your HTML   lt script language  javascript  type  text javascript  src  https   ajax googleapis com ajax libs jquery 1 7 2 jquery min js  gt  lt  script gt

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wrap all the script between this      lt script gt        noConflict        jQuery  document   ready function                 Code that uses jQuery s   can follow here           lt  script gt    Many JavaScript libraries use   as a function or variable name  just as jQuery does  In jQuery s case    is just an alias for jQuery  so all functionality is available without using    If you need to use another JavaScript library alongside jQuery  return control of   back to the other library with a call to   noConflict    Old references of   are saved during jQuery initialization  noConflict   simply restores them

User · Answer

I have also faced such problems many time in web develoment carrier  Actually its not JS conflict  When we load html website to the browser we face no such error  but when we load these type of website through localhost we face such problem  That s because of localhost  When we load scripts through the localhost it scans the script and renders the output  But when we didn t use localhost  It just scan the output  Example  when we write php code putside the localhost and run without host we get error  But if the code is correct and is run through host we get actual output  and when we use inspect element we get the output code in HTMl format but not in PHP format this is because of rendering of the code      This is rendering error  So to fix these jquery code error one of the solution may be using this method   jQuery document  ready function               Body of Jquery Code             What this code does is register     as the varible to the function by applying jquery  Else by default the  js file is only read as javascript

User · Answer

Try this snippet   jQuery function           Your code       It worked for me  maybe it will help you too

User · Answer

I would use this   function            document     jQuery

User · Answer

function                your code        jQuery     Place your js code inside the closure above   it should solve the problem

[jquery] TypeError: 'undefined' is not a function (evaluating '$(document)')

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