JAVASCRIPT - HOW to Create Event Listener to Elements of Type

JAVASCRIPT - HOW to Create a Single Event Listener for ALL Elements of a Certain Type, ie Create a CHANGE Event Listener for ALL Select Elements of a CLICK Event for All Input Textbox Elements

With the follow JS code, you can create a single event listener for ALL elements of the same type on a web page. On all the Select elements below, a CHANGE event listener was executed with one event listener. View the source code for this page to see the Javascript code.

document.querySelectorAll('select').forEach(sel => sel.addEventListener('change', function(){ alert(sel.value); }));
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