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 */
}
}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 */
}
}list listener on a page js
function listAllEventListeners() {
const allElements = Array.prototype.slice.call(document.querySelectorAll('*'));
allElements.push(document);
allElements.push(window);
const types = [];
for (let ev in window) {
if (/^on/.test(ev)) types[types.length] = ev;
}
let elements = [];
for (let i = 0; i < allElements.length; i++) {
const currentElement = allElements[i];
for (let j = 0; j < types.length; j++) {
if (typeof currentElement[types[j]] === 'function') {
elements.push({
"node": currentElement,
"type": types[j],
"func": currentElement[types[j]].toString(),
});
}
}
}
return elements.sort(function(a,b) {
return a.type.localeCompare(b.type);
});
}Copyright © 2021 Codeinu
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