《剑指offer》10.程序的完整性

function Power(base, exponent) {
      if (exponent === 0) {
        return 1;
      } else {
        if (exponent > 0) {
          var result = 1;
          for (let i = 0; i < exponent; i++) {
            result *= base;
          }
          return result;
        } else if (exponent < 0) {
          var result = 1;
          for (let i = 0; i < Math.abs(exponent); i++) {
            result *= base;
          }
          return result ? 1 / result : false;
        }
      }
    }

function reOrderArray(array) {
      var odd = [];
      var even = [];
      for (var i = 0; i < array.length; i++) {
        const element = array[i];
        if (element === 0 || element % 2 === 0) {
          even.push(element);
        } else {
          odd.push(element
        }
      }
      return odd.concat(even);
    }