function foo() {
console.log("clicked");
}
element.addEventListener("click", foo());
How come foo() is invoked automatically when the script loads, but foo is not? Also, what if I want to pass an argument to the function like this:
function foo(elem) {
console.log(elem, "clicked");
}
element.addEventListener("click", foo("element"));
To ensure the function is referenced properly, it is important to include the reference when binding it. Here is an example:
element.addEventListener("click", foo);
If you need to pass parameters to the function, you can do so by using an anonymous function:
element.addEventListener("click", function(){
foo("element")
});
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