javascript十进制转二进制 图表映射

            var intTo = function(number) {
                var arr = [128, 64, 32, 16, 8, 4, 2, 1];//8位数字
                arr.forEach(function(n, i, a) {
                    if (number >= n) {
                        number -= n;//进行递减判断
                        a[i] = 1;
                    } else {
                        a[i] = 0;//转码
                    }
                });
                return arr;
            }
console.log(intTo(134));//[1, 0, 0, 0, 0, 1, 1, 0]