What is the key difference between Object.seal() and Object.freeze()?

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JavaScript Professional — Hard

What is the key difference between Object.seal() and Object.freeze()?

Key points

  • Object.seal() allows modifying existing property values
  • Object.freeze() prevents modifying existing property values
  • Both prevent adding/deleting properties
  • Object.freeze() provides a higher level of immutability compared to Object.seal()

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