event listener javascript
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});const element = document.querySelector(".class__name");
element.addEventListener("click", () => {
console.log("clicked element");
});document.querySelector('div').addEventListener('click', () => {
console.log('div clicked');
});element.addEventListener("click", function(){
element.innerText = "something";
}); var passiveSupported = false;
try {
var options = {
get passive() { // Questa funzione verrà chiamata quando il browser
// tenta di accedere alla proprietà passiva.
passiveSupported = true;
}
};
window.addEventListener("test", options, options);
window.removeEventListener("test", options, options);
} catch(err) {
passiveSupported = false;
}
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