They are functions that may appear to do the same action but have significant differences. And it was difficult for me to learn it. I don't know why but they always confused me.
👉 Object.freeze(): It prevents you from adding new properties, removing existing properties and modifying them.
👉 Object.seal(): You can modify existing properties but you can't delete or add new ones.
If we differentiate them through the CRUD operations: Create - Read - Update - Delete, we obtain the following comparison.
Create Read Update Delete Object.freeze() ❌ ☑️ ❌ ❌ Object.seal() ❌ ☑️ ☑️ ❌