The error 'Uncaught TypeError: Cannot read properties of null (reading 'addEventListener')' typically arises when JavaScript code attempts to interact with DOM elements that aren't available or take action before the DOM is fully loaded. This common issue suggests a potential timing problem in the code's execution. A simple resolution is to wrap the code in a 'DOMContentLoaded' event listener or adjust script placements within the HTML document. Correcting this makes the website function as intended without encountering the aforementioned error.
Uncaught TypeError: Cannot read properties of null (reading 'addEventListener') indicates that the script is attempting to attach an event listener to an element that does not exist in the DOM at the time of execution. This often occurs if the script runs before the DOM has fully loaded.
To fix the issue, ensure that your script runs after the DOM has fully loaded. You can wrap your JavaScript code inside an event listener for 'DOMContentLoaded' or place the script tag just before the closing </body> tag.
After running some checks, it was confirmed that the error was caused by a specific element being targeted that wasn't available when the script executed. Once the timing was adjusted, everything worked perfectly.
I appreciate the community's support in debugging this issue. It demonstrated the importance of properly loading scripts and understanding the DOM lifecycle to prevent such errors.
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