js 生成 uuid

// 生成uuid
        generate_uuid: function(){
            var d = new Date().getTime();
            if(window.performance && typeof window.performance.now === "function"){
                d += performance.now(); //use high-precision timer if available
            }
            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;
        },

转载于:https://www.cnblogs.com/a-way-blog/p/9809562.html

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