find-index.js 417 B

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. function findIndex(arr, predicate, fromIndex) {
  4. if (fromIndex === void 0) { fromIndex = 0; }
  5. for (var i = fromIndex; i < arr.length; i++) {
  6. if (predicate(arr[i], i)) {
  7. // 找到终止循环
  8. return i;
  9. }
  10. }
  11. return -1;
  12. }
  13. exports.default = findIndex;
  14. //# sourceMappingURL=find-index.js.map