3つの簡単なH 5/Egret/JavaScript面接問題

/**
		 * k       
		 * */
        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);
        }

/**
         *     10--100   10   ，      ，   
         * */
        private question2(): void { 
            var t_arr_source: Array = [];
            for(var i: number = 10;i <= 100;i++){ 
                t_arr_source.push(i);
            }
            var length: number = 10;
            var t_arr: Array = [];
            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());
        }

/**
         *     [1,2,3,3,4,4,5,5,6,1,9,3,25,4]  ，         
         * */
        private question3(): void { 
            var t_arr_source: Array = [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);
                }
            }
        }