minor fixes

This commit is contained in:
Ilya Kantor 2021-06-27 15:24:42 +03:00
parent 8db65194dc
commit 8752573cf3

View file

@ -77,7 +77,7 @@ Objects lack many methods that exist for arrays, e.g. `map`, `filter` and others
If we'd like to apply them, then we can use `Object.entries` followed by `Object.fromEntries`: If we'd like to apply them, then we can use `Object.entries` followed by `Object.fromEntries`:
1. Use `Object.entries(obj)` to get an array of key/value pairs from `obj`. 1. Use `Object.entries(obj)` to get an array of key/value pairs from `obj`.
2. Use array methods on that array, e.g. `map`, to transform key/value pairs. 2. Use array methods on that array, e.g. `map`, to transform these key/value pairs.
3. Use `Object.fromEntries(array)` on the resulting array to turn it back into an object. 3. Use `Object.fromEntries(array)` on the resulting array to turn it back into an object.
For example, we have an object with prices, and would like to double them: For example, we have an object with prices, and would like to double them: