增加井号重复判断

‘liusuyi’

2023-07-03 29d8ea701df5bba27bda837a550853b299207040

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var toLength = require('../internals/to-length');
 
// `LengthOfArrayLike` abstract operation
// https://tc39.es/ecma262/#sec-lengthofarraylike
module.exports = function (obj) {
  return toLength(obj.length);
};