优化

‘liusuyi’

2023-08-04 4753a47b1b5d538940a5509b504f1eaecc5a9f66

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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);
};