標籤: JS

	function _uuid() {
	var d = Date.now();
	if (typeof performance !== 'undefined' && typeof performance.now === 'function'){
	d += performance.now(); //use high-precision timer if available
	}
	return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
	var r = (d + Math.random() * 16) % 16 | 0;
	d = Math.floor(d / 16);
	return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
	});
	}

view raw uuid.js hosted with by GitHub

如果只需兼容現代瀏覽器(Chrome)的話, 可以更簡易地使用…

	function uuid2() {
	return window.crypto.randomUUID();
	}

view raw uuid2.js hosted with by GitHub

目前應該只有內核為Chromium的瀏覽器有支援到, 就是Chrome, Edge等等, 其他瀏覽器的支援程度可以看看這邊.