WebMay 11, 2024 · Maybe it is good idea to check if const link is not empty before tho check it's classList property after this line of code? const link = SelectorEngine.findOne(queries.join(',')) Operating system and version: … WebApr 11, 2024 · The problem is that the element isn't mounted when the component first runs. But why are you manually building HTML? If you want to keep doing it that way you will need to do it inside a useEffect which will run after mount (and ideally store your element references in a ref not via query) – pilchard

cannot read property

WebJul 19, 2024 · ERROR TypeError: Cannot read property ‘classList’ of null at RegisterPage.webpackJsonp.781.RegisterPage.push Error is occurring here… WebJavaScript uses the null value to represent a missing object. Use the strict equality operator (===) to check if a value is null. The typeof null returns 'object', which is historical bug in JavaScript that may never be fixed. Use the optional chaining operator (?.) to access the property of an object that may be null. titan cherry tree

dispose () gives error: Cannot read property

WebMay 11, 2024 · Maybe it is good idea to check if const link is not empty before tho check it's classList property after this line of code? const link = SelectorEngine.findOne(queries.join(',')) Operating system and version: … WebJan 3, 2024 · In the code above, we created a basic HTML document with a h1 element with an ID of “content”. Here’s the JavaScript code: let content = document.getElementById("constent"); console.log(content.textContent); // Uncaught TypeError: Cannot read properties of null (reading 'textContent'); WebJun 1, 2024 · Thanks for your reply. I’ve actually gone a different route in solving this problem since I made this post. But I appreciate your help anyway. titan chf 11s datenblatt