document ready function Uncaught ReferenceError is not defined

Question

Hi I am having a  Uncaught ReferenceError    is not defined  while using bellow codes  I am currently getting the following error in my log  I have been looking at the samples in the framework and I just can t seem to find where the error is  It s been over a decade since I have done any HTML or js and what I did back then was very basic stuff  Any help would be appreciated   lt script type  text javascript  gt  var sQuery     lt  php echo  sQuery    gt       document  ready function        if    input name sPattern    val      sQuery               input name sPattern    css  color    gray                 input name sPattern    click function            if    input name sPattern    val      sQuery                   input name sPattern    val                     input name sPattern    css  color                                 input name sPattern    blur function            if    input name sPattern    val                           input name sPattern    val sQuery                  input name sPattern    css  color    gray                             input name sPattern    keypress function               input name sPattern    css  background                  function doSearch         if    input name sPattern    val      sQuery           return false            if    input name sPattern    val   length  lt  3               input name sPattern    css  background     FFC6C6            return false            return true     lt  script gt

User · Answer

No need to use jQuery noConflict and all  Try this instead      Replace line no  87  guessing from your chrome console  to the following  jQuery document  ready function         All your code using          If you still get error at line 87  like Uncaught reference error  jQuery is not defined  then you need to include jQuery file before using it  for which you can check the above answers

User · Answer

I know this is an old question  and most people have replied with good answers  But for reference and hopefully saving somebody else s time  Check if your function     document  ready function       is being called after you have loaded the JQuery library

User · Answer

If you are sure jQuery is included try replacing   with jQuery and try again   Something like  jQuery document  ready function        Still if you are getting error  you haven t included jQuery

User · Answer

Put this code in the  lt head gt  lt  head gt  tags    lt script type  text javascript  src  http   code jquery com jquery-1 10 0 min js  gt  lt  script gt

User · Answer

It seems you don t import jquery  Those   functions come with this non standard  but very useful  library   Read the tutorial there   http   docs jquery com Tutorials Getting Started with jQuery It starts with how to import the library

User · Answer

Remember that you must first load jquery script and then the script js   lt script type  text javascript  src  http   code jquery com jquery-2 2 4 min js  gt  lt  script gt   lt script type  text javascript  src  example js  gt  lt  script gt    Html is read sequentially

User · Answer

many other people answered your question above  This problen arises when your script don t find the jQuery script and if you are using other framework or cms  then maybe there is a conflict between jQuery and other libraries  In my case i used as following-         lt script src  js directory jquery 1 7 min js  gt  lt  script gt       lt script gt      jQuery noConflict        jQuery document  ready      function           your other code here         lt  script gt       here might be some syntax error  Please forgive me because i m writing from my cell phone  Thanks

User · Answer

is a function provided by the jQuery library  it won t be available unless you have loaded the jQuery library  You need to add jQuery  typically with a  lt script gt  element which can point at a local copy of the library or one hosted on a CDN   Make sure you are using a current and supported version  Many answers on this question recommend using 1 x or 2 x versions of jQuery which are no longer supported and have known security issues   lt script src  quot  path to jquery js quot  gt  lt  script gt   Make sure you load jQuery before you run any script which depends on it  The jQuery homepage will have a link to download the current version of the library  at the time of writing it is 3 5 1 but that may change by the time you read this   Further down the page you will find a section on using jQuery with a CDN which links to a number of places that will host the library for you    NB  Some other libraries provide a   function  and browsers have native   variables which are only available in the Developer Tools Console  but this question isn t about those

[javascript] $(document).ready(function(){ Uncaught ReferenceError: $ is not defined

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