javascript onclick event listener
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});javascript onclick event listener
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});event listener javascript
const element = document.querySelector(".class__name");
element.addEventListener("click", () => {
console.log("clicked element");
});javascript pass parameter to event listener
var someEventHander=function(){
console.log(event,param1,param2);
}
//add listener
document.getElementById("someid").addEventListener('click',someEventHander.bind(event,param1,param2));javascript event listener
element.addEventListener("click", function(){
element.innerText = "something";
});how to add event listener to all buttons
<button class="btn">
Button1
</button>
<button class="btn">
Button2
</button>
<button class="btn">
Button3
</button>
<button class="btn">
Button4
</button> //HTML
//JavaScript
var buttons = document.querySelectorAll(".btn").length;
for (var i = 0; i < buttons ; i++) {
document.querySelectorAll(".btn")[i].addEventListener("click", function() {
alert("Button Clicked");
});
}Copyright © 2021 Codeinu
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