Rangle.io : Angular Training
Search…
Object.freeze
Object.freeze allows us to disable object mutation.1
let movie1 = {
2
name: 'Star Wars',
3
episode: 7
4
};
5
​
6
let movie2 = Object.freeze(Object.assign({}, movie1));
7
​
8
movie2.episode = 8; // fails silently in non-strict mode,
9
// throws error in strict mode
10
​
11
console.log(movie1.episode); // writes 7
12
console.log(movie2.episode); // writes 7
Copied!
Last modified 5mo ago
Copy link