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fix: conflicting info updated (#43394)

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EhEhRon91
2021-09-10 06:10:39 -04:00
committed by GitHub
parent f46d183d95
commit 9aea61d0df
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curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/prevent-object-mutation.md
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@ -10,7 +10,7 @@ dashedName: prevent-object-mutation
As seen in the previous challenge, `const` declaration alone doesn't really protect your data from mutation. To ensure your data doesn't change, JavaScript provides a function `Object.freeze` to prevent data mutation. As seen in the previous challenge, `const` declaration alone doesn't really protect your data from mutation. To ensure your data doesn't change, JavaScript provides a function `Object.freeze` to prevent data mutation.
Once the object is frozen, you can no longer add, update, or delete properties from it. Any attempt at changing the object will be rejected without an error. Any attempt at changing the object will be rejected, with an error thrown if the script is running in strict mode.
```js ```js
let obj = { let obj = {
@ -23,7 +23,7 @@ obj.newProp = "Test";
console.log(obj); console.log(obj);
``` ```
The `obj.review` and `obj.newProp` assignments will result in errors, and the console will display the value `{ name: "FreeCodeCamp", review: "Awesome" }`. The `obj.review` and `obj.newProp` assignments will result in errors, because our editor runs in strict mode by default, and the console will display the value `{ name: "FreeCodeCamp", review: "Awesome" }`.
# --instructions-- # --instructions--