wiki/content/20201126100942-anonymous.md

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---
date: 2020-11-26
id: a4ca4dd0-98ec-41a9-9220-815639dc5fe1
title: anonymous
---
# Definition
Nameless functions
# Examples
``` javascript
const nums = [1, 2, 3]
nums.map(x => x * 2)
```
``` python
nums = [1, 2, 3]
map(lambda x: x * 2, nums)
```