event listener javascript
const element = document.querySelector(".class__name");
element.addEventListener("click", () => {
console.log("clicked element");
});event listener javascript
const element = document.querySelector(".class__name");
element.addEventListener("click", () => {
console.log("clicked element");
});js addeventlistener
var element=document.getElementById("some_id");
var listener=element.addEventListener('click',function(event){
});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;event listener function called parameters
var someEventHander=function(event,param1,param2){
console.log(event,param1,param2);
}
//add listener
document.getElementById("someid").addEventListener('click',someEventHander.bind(event,'param1','param2'), false);Copyright © 2021 Codeinu
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