How can I prevent HTML form inputs from losing focus when the page is dynamically updated with jQuery?
I'm writing unit tests and I'm working on a web application that utilizes jQuery (version 3.5.1) to dynamically update a form based on user selections. The question I'm working with is that whenever I update the content of the form (by appending new input fields or changing the values of existing ones), the currently focused input field loses focus. This is particularly frustrating for users who are typing into a field when the update occurs, as it interrupts their input. I attempted to save the reference of the currently focused input before the update and then re-focus it afterward, but that hasn't produced the desired result. Here’s the code snippet I’m currently using: ```javascript $(document).ready(function() { $('#updateButton').click(function() { let focusedElement = $(':focus'); // Save the currently focused element // Simulate a dynamic update $('#formContainer').append('<input type="text" name="newField" placeholder="New Field">'); focusedElement.focus(); // Attempt to refocus the previously focused element }); }); ``` However, it seems that focus is not being restored properly after the update. There are no errors in the console, but it appears that the dynamic content is somehow interfering with the focus behavior. I’ve checked the event propagation and ensured that the focus is being set after the DOM manipulation occurs. Additionally, I want to make sure that this works across all major browsers. Is there a more reliable method to maintain focus on an input field during dynamic updates? Any tips or best practices would be greatly appreciated! This issue appeared after updating to Javascript 3.10. I appreciate any insights! I'm working with Javascript in a Docker container on Windows 11. Thanks, I really appreciate it! I'm open to any suggestions.