第 7 期(2019-05-14)：n以内的随机数 #9

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1. liwenkang commented on May 14, 2019

   

   liwenkang

   on May 14, 2019

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   /**
    * @param {number} n - 随机数最大范围
    */
   function getRandomNum(n) {
       // 返回 n 以内的随机整数 m (0 <= m < n)
       // return Math.floor(Math.random() * n);
       // 返回 n 以内的随机数 m (0 <= m < n)
       return Math.random() * n;
   }

   ❤️React with ❤️1Reacted by 𝑾𝒖𝒙𝒉
2. AMY-Y commented on May 14, 2019

   

   AMY-Y

   on May 14, 2019

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   function getRandomNum(n){
           // 先判断是否为整数
           if(Math.round(n)===n){
               var integer=parseInt(Math.random()*n);
               return integer;
           }
       }
    getRandomNum(10);
   //小伙伴们，我感觉我这个没错啊，为啥控制台没反应呢？

   🎉React with 🎉1Reacted by Wing Meng
3. liwenkang commented on May 15, 2019

   

   liwenkang

   on May 15, 2019

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   function getRandomNum(n){
           // 先判断是否为整数
           if(Math.round(n)===n){
               var integer=parseInt(Math.random()*n);
               return integer;
           }
       }
    getRandomNum(10);
   //小伙伴们，我感觉我这个没错啊，为啥控制台没反应呢？

   实测没问题......╰(￣▽￣)╭
4. AMY-Y commented on May 15, 2019

   

   AMY-Y

   on May 15, 2019

   Last edited by AMY-Y

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   哈哈哈，我的问题，return和console这些都有点忘了