学习笔记

//取值与赋值 10000
function noWith(){
    var obj = a.a.a.a.a.a.a, i=100000, j = 0;
    for(; i; i--){
        j = obj.b;
        obj.b = i;
    }
}

//取值与赋值 10000
function yesWith(){
    var i=100000, j = 0;
    with( a.a.a.a.a.a.a ){
        for(; i; i--){
            j = b;
            b = i;
        }
    }
}


var t = new Date().getTime();
//noWith();
noWith();
cc.log(new Date().getTime() - t);