Is it necessary to enclose code in the following:
window.addEventListener('load', () => {})
If your scripts are already loaded at the end of the body tag?
Wouldn't this ensure that the DOM has been fully loaded, rendering a load event listener redundant?
Absolutely right. Placing the script at the end of the body not only simplifies the code but also reduces memory consumption needed to create and store an event handler. While this practice is widely recommended nowadays, it differs slightly from setting up a load event handler. It can be compared to setting up a DOMContentLoaded event handler.
However, keep in mind that there are exceptions. If you require your code to wait until all external content referenced by DOM elements has fully loaded (such as images), then using a load event handler is the ideal approach.
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