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anibal21/JS_Object_Freeze.js

Last active May 4, 2022 18:44
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JS_Object_Freeze.js
/**
* When we do a freeze to an object, we only can read their items.
*/
const obj = {
prop: 42
};
Object.freeze(obj);
obj.prop = 55;
obj.name = "Julio"
// Throws an error in strict mode
console.log(obj.prop);
// expected output: 42
console.log(obj.name)
// expected output: undefined
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