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Apr 26th, 2019
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  1. // 定义一个函数 该函数可以获取数组中最小的值的下标
  2. function getMinIdx(arr) {
  3. // 返回最小的值的下标
  4. // 默认最小的值下标
  5. var idx = 0;
  6. // 默认最小的值
  7. var val = arr[idx];
  8. // 循环比较其他项
  9. for (var i = 1; i < arr.length; i++) {
  10. // 如果最小的值val 还比当前的项大 说明不是最小
  11. if (val > arr[i]) {
  12. val = arr[i];
  13. idx = i;
  14. }
  15. }
  16. return idx;
  17. }
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