js listen localstorage change
window.addEventListener('storage', () => {
// When local storage changes, dump the list to
// the console.
console.log(JSON.parse(window.localStorage.getItem('sampleList')));
});
4
10
var originalSetItem = localStorage.setItem;
localStorage.setItem = function(){
document.createEvent('Event').initEvent('itemInserted', true, true);
originalSetItem.apply(this, arguments);
}
Thank you!
10
4
(10 Votes)
0
4.57
7
var originalSetItem = localStorage.setItem;
localStorage.setItem = function(key, value) {
var event = new Event('itemInserted');
event.value = value; // Optional..
event.key = key; // Optional..
document.dispatchEvent(event);
originalSetItem.apply(this, arguments);
};
var localStorageSetHandler = function(e) {
alert('localStorage.set("' + e.key + '", "' + e.value + '") was called');
};
document.addEventListener("itemInserted", localStorageSetHandler, false);
localStorage.setItem('foo', 'bar'); // Pops an alert
Thank you!
7
4.57
(7 Votes)
0
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