adding a click event listener javascript code example
Example 1: javascript onclick event listener
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});
Example 2: event listener javascript
const element = document.querySelector(".class__name");
element.addEventListener("click", () => {
console.log("clicked element");
});
Example 3: js add event listener
function eventHandler(event) {
if (event.type == 'fullscreenchange') {
/* gestire un interruttore a schermo intero */
} else /* fullscreenerror */ {
/* gestire un errore di commutazione a schermo intero */
}
}