---
title: Increment a Number with JavaScript
---
## Increment a Number with JavaScript

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You can easily increment (add one) to a number variable by using the '++' increment operator. For example:
    
    var a = 6;
    a++; // Now, 'a' is equal to 7 -- post-fixing
    ++a; // Now, 'a' is equal to 8 -- pre-fixing
