add event listener to multiple element in JS
document.querySelectorAll('.some-class').forEach(item => {
item.addEventListener('click', event => {
//handle click
})
})add event listener to multiple element in JS
document.querySelectorAll('.some-class').forEach(item => {
item.addEventListener('click', event => {
//handle click
})
})multiple event with javascript
/* get the button id "tg" which is used for toggling.Then on click few
elements with classname "adv" will disappear and at the same time few elements
with classname "btnpro" will increase in width to 80px*. Upon second click
elements with "adv" will appear again and the button width changes to 60px*/
document.getElementById("tg").onclick = function ()
{
my_fun1();
my_fun2();
}
function my_fun1()
{
var x = document.getElementsByClassName("adv")
for(var i=0; i<x.length;i++) {
if (x[i].style.display === "none") {
x[i].style.display = "block"
flag = false
} else {
x[i].style.display = "none"
flag = true
}
}
}
function my_fun2()
{
var x = document.getElementsByClassName("btnpro")
for(var i=0; i<x.length;i++) {
if(flag){
x[i].style.width = "80px";
}else{
x[i].style.width = "60px";
}
}
}Copyright © 2021 Codeinu
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