Add some examples

From the old test suite
This commit is contained in:
Angelos Chalaris
2020-04-16 23:01:19 +03:00
parent 719cc00a53
commit 5e42f0aaa4
5 changed files with 11 additions and 6 deletions

View File

@@ -5,14 +5,14 @@ tags: type,beginner
Returns the native type of a value.
Return `"undefined"` or `"null"` if the value is `undefined` or `null`.
Otherwise, use `Object.prototype.constructor.name` to get the name of the constructor, `String.prototype.toLowerCase()` to return it in lowercase.
Return `'undefined'` or `'null'` if the value is `undefined` or `null`.
Otherwise, use `Object.prototype.constructor.name` to get the name of the constructor.
```js
const getType = v =>
v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name.toLowerCase();
v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name;
```
```js
getType(new Set([1, 2, 3])); // 'set'
getType(new Set([1, 2, 3])); // 'Set'
```