Reports

You want to call the addEventListener method on the element, for example:

let buttons = document.querySelectorAll("button");

buttons.forEach(myFunction);

function myFunction(button){
    button.addEventListener("click", function() {
        alert("I got clicked!");
    });
};

or, more simply:

let buttons = document.querySelectorAll("button");
for (let button of buttons) {
    button.addEventListener("click", function() {
        alert("I got clicked!");
    });
}

https://www.w3schools.com/jsref/met_element_addeventlistener.asp

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