Why did anti-communist sentiment in the USA in the 1950s focus on UNESCO? I'm sending out an occasional email with the latest programming tutorials. Perhaps someone recently edited a core file or a plugin, which has now caused a conflict. Include Google-Hosted jQuery With an Alternate Fallback 3. The idea is to put some commonly or repeatedly done tasks together and make a function so that instead of writing the same code again and again for different inputs, we can call that function. That includes what the error means, why it may have happened in the first place all critical information to prevent this error in the future. My intention is put the codeAddress() within the document.ready function. Most people find success with any of the above options. Also, make sure you are loading jquery / other scripts at the bottom of your document, just before the close body. What is the !! In some cases, jQuery can't find a function because of scope issues. The problem I am facing is that, I have already defined the function, still its giving function not defined.ACtually there used to be 1 function in a script, but now as I have added another one, the first one is not working and saying :- Uncaught ReferenceError: function is not defined what to do, how to use both the functions. Include the below code. The JavaScript on your website is running before the jQuery is fully loaded. Either make it true or remove it. Just feels a little cleaner. Or perhaps a JavaScript file is not being correctly loaded when the page loads. Drop your email in the box below and I'll send new stuff straight into thanks for the info and answers, it seems this thread helped. Why do Grothendieck topologies used in algebraic geometry typically involve finiteness conditions? Uncaught ReferenceError: function not defined at onclick - CMSDK This was the answer to my problem because I was not able to run my own functions (not-related to jQuery), and as soon as I put them before the jQuery (document).ready (function () { then everything worked! Your issue here is that you're not understanding the scope that you're setting. Here are a few options you can utilize to resolve this error and get your site back up to visitors. Function is not defined - Uncaught ReferenceError - Stack Overflow Your site was working just fine yesterday what happened? The explanation is logical. Asking for help, clarification, or responding to other answers. Importing jQuery function to Ember error "i is not defined" ReferenceError: $ is not defined in JQuery - Learn ReactJS & React JavaScript: Fixing function is not defined error Resolving this error takes some familiarity with adding, removing, and editing code. Re: Calling functions across multiple $(document).ready() blocks - kasp Do you have your JS code loading in the of the document or at the end near the close of the body ? js error: jQuery is not defined | WordPress.org But I am getting the error as follows: Uncaught ReferenceError: update_question_ajax is not defined. For example, if the