题解 | #数值的整数次方#

function Power(base, exponent) {
    // 写法一
    let res = 1;
    if(exponent === 0) return 1;
    if (exponent > 0) {
         for (let i = 1; i <= exponent; i++) {
             res *= base;
         }
         console.log(res);
         return res;
     }
     if(exponent < 0){
         for (let i = 1; i <= -exponent; i++) {
             res *= base;
         }
         console.log(res);
         return 1/res;
     }
    // 写法二：简化写法
    // 处理负次方
    if(exponent < 0){
        base = 1 / base;
        exponent = -exponent;
    }
    let res = 1;
    for(let i = 1; i <= exponent; i++){
        res *= base;
    }
    return res;
}
module.exports = {
    Power: Power,
};