用js写一个获取UUID方法

function generateUUID() { var d = new Date().getTime(); var uuid = '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); }); return uuid; }

// 使用方法 var uuid = generateUUID(); console.log(uuid);