Three simple h5/egret/javascript face test __java

The following uses Egret code (TYPESCRIPT)

1

/**
		 * k output value of
		 * *
        /Private Question1 (): void { 
            var i,j,k:number;
            for (i = 0,j = 0;i < 10,j < 6;i++, j + +) {
                k = i + j;
            }
            Console.log ("k=" + K);
        }

2

/**
         * Randomly select 10 digits between 10--100, deposit an array, and sort
         *
        /Private Question2 (): void { 
            var t_arr_source:array< number> = [];
            for (var i:number = 10;i <= 100;i++) { 
                t_arr_source.push (i);
            }
            var length:number = ten;
            var t_arr:array<number> = [];
            for (var j:number = 0;j < length;j++) { 
                var index:number = Math.floor (T_arr_source.length * math.random ());
                T_arr = T_arr.concat (T_arr_source.splice (index,1));
            }
            T_arr.sort ((A:number,b:number) => {return (a > B 1:-1)});
            Console.log ("t_arr=" + t_arr.tostring ());
        }

3

/**
         * array has [1,2,3,3,4,4,5,5,6,1,9,3,25,4] data, output only the number of duplicates
         *
        /Private Question3 (): void { 
            var t_arr_ source:array<number> = [1,2,3,3,4,4,5,5,6,1,9,3,25,4];
            var t_obj:any = {};
            for (var i:number = 0;i < t_arr_source.length;i++) { 
                if (T_obj[t_arr_source[i]]) {
                    T_obj[t_arr_source[i]] + +;
                } else { 
                    t_obj[t_arr_source[i]] = 1;
                }
            } For (var p in t_obj) { 
                if (t_obj[p] = = 1) { 
                    console.log (p)
                ;
            }
        }}