Hi, In Admin > Customize > Themes > in the header section I add the following but it returns Uncaught ReferenceError: $ is not defined <script> $(document).ready(function() { $('.topic-list .topic-excerpt[href="/t/urltobechanged/8"]').attr('href', "/t/newurltoset/17 "); }); </script> If I add th…

Use native javascript, not jQuery. (But even then be aware Discourse is a SPA PWA so you may have race conditions occuring if you are relying on certain elements having been rendered - and the solution to that is to use Ember Components rendered in specific plugin outlets in combination with modifi…

Thanks but if this javascript this works fine when used in the developer console document.querySelector('.topic-list .topic-excerpt[href="/t/urltobechanged/8"]').setAttribute('href', "/t/newurltoset/17"); Somehow when it is loaded from the discourse header, it is returned as “Uncaught TypeError: d…

Since Discourse is an SPA, relying on the document “DOMContentLoaded” won’t be very helpful, since the document DOM is always “loaded” but the elements can be missing. Instead you’ll want to use Components as @merefield mentioned, or something like this: How do you force a script to refire on every …

Allright, I understand now, coming from wordpress/joomla developement, you think adding js to the header would work in the same way. Your link provides indeed a solution, note that now the <script type='text/discourse-plugin> headers are deprecated Modernizing inline script tags for templates & JS…

主题头部添加 Javascript 报错 $ 未定义

开发

merefield (Robert) 2025年六月23日 17:40 2

使用原生 JavaScript，而不是 jQuery。

話題		回覆	觀看
Custom javascript gets only applied after refresh, creating categories for location plugin Development	9	144	2025年八月13日
How to add Javascript to Footer Of Posts? Support	3	947	2021年十月10日
A better way to implement custom jQuery code? Development	3	561	2021年二月18日
Executing js after DOM loaded Support	6	3767	2018年十一月30日
How do you force a script to refire on every page load in Discourse? Development	38	21440	2020年三月12日

主题头部添加 Javascript 报错 $ 未定义

相關主題