js add click listener
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});js add click listener
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});event listener javascript
//DOM Level 2 Event Listener (Advanced technique to call an event)
document.getElementById("btn2").addEventListener('click', () => {
alert("hello world");
}, false);
//our third param of DOM Level 2 Event Listener
// false = event trigger from bottom to top(bubbling phase)
// true = event trigger from top to bottom (capturing phase)
//TRADITIONAL DOM EVENT HANDLERS (very old)
function show_alert() {
alert("hello world");
}
document.getElementById("btn1").onclick = show_alert;Copyright © 2021 Codeinu
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