find-index.js 337 B

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  1. function findIndex(arr, predicate, fromIndex) {
  2. if (fromIndex === void 0) { fromIndex = 0; }
  3. for (var i = fromIndex; i < arr.length; i++) {
  4. if (predicate(arr[i], i)) {
  5. // 找到终止循环
  6. return i;
  7. }
  8. }
  9. return -1;
  10. }
  11. export default findIndex;
  12. //# sourceMappingURL=find-index.js.map