---
title: String.prototype.toLowerCase
---
The JavaScript array method `.toLowerCase()` will return the value of the string converted to lower case. The original string is not changed.

**Syntax**

```javascript
  string.toLowerCase()
```

## Examples

```javascript
  var shout = "I AM SHOUTING VERY LOUDLY"
  var whisper = shout.toLowerCase()
  
  console.log(shout) // will return "I AM SHOUTING VERY LOUDLY"
  console.log(whisper) // will return "i am shouting very loudly"
```

#### More Information:
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Source : <a href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase' target='_blank' rel='nofollow'>MDN</a>
