---
title: Understanding Case Sensitivity in Variables
---
# Understanding Case Sensitivity in Variables

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## Problem Explanation

A popular programming norm is to use <strong>Camel case</strong> when creating variable names. Notice the first word is lowercase and every following word is uppercase. Here are some examples:

```javascript
var camelCase;
var someNumber;
var theBestVariableEver;
var weWillStoreNumbersInThisVariable;
```