kViking 7d226d0078 Added variable addition example (#23047)
Added an example showing storing values in variables before adding them. Also added syntax highlighting to original code snippet.
2018-11-24 14:30:12 +07:00

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---
title: Add Two Numbers with JavaScript
---
JavaScript uses the `+` symbol for addition. It can also be used instead of `parseInt()` but that is beyond this.
```javascript
var sum = 10 + 10;
```
Variables can be added in a similar fashion.
```javascript
var x = 10;
var y = 10;
var z = x + y;
console.log(z); // Will print 20 to the console
```