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javascript/snippets/get-type.md

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+---
+title: Type of value
+type: snippet
+tags: [type]
+cover: pink-flowers
+dateModified: 2020-10-19T22:49:51+03:00
+---
+
+Returns the native type of a value.
+
+- Return `'undefined'` or `'null'` if the value is `undefined` or `null`.
+- Otherwise, use `Object.prototype.constructor` and `Function.prototype.name` to get the name of the constructor.
+
+```js
+const getType = v =>
+  (v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name);
+```
+
+```js
+getType(new Set([1, 2, 3])); // 'Set'
+```