function unique(arr){

    if(!Array.isArray(arr)){

        console.log('type error!');

        return;

    }

    arr = arr.sort();

    var arr1 = [arr[0]];

    for(var i=1;i<arr.length;i++){

        if(arr[i] !== arr[i-1]) {

            arr1.push(arr[i]);

        }

    }

    return arr1;

}

var arr = [2,8,5,6,0,7,2,6,7,2];

console.log(unique(arr))；

window.open("http://www.baidu.com","_blank","toolbar=yes, location=yes, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=no, copyhistory=yes, width=400, height=400");

}

function generateUUID() {

    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;

}　　

function getCookie(name) {

    var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");

    return r ? r[1] : undefined;

}