---
title: "Value persistence | LemonadeJS v4"
description: "LemonadeJS v4 archive. Integrate a reactive LemonadeJS component with the JavaScript localStorage to persist a state value."
source: https://lemonadejs.com/docs/v4/examples/value-persistence/
---
Local value persistence
=======================
The following example shows a two-way binding dropdown with an event to save its value on the localStorage.
Example
-------
The value is updated on the localStorage on the dropdown changes its value.
### Source code
```html
```
```javascript
import lemonade from 'lemonadejs';
export default function Persistence() {
const self = this;
// Default value of the property which is bound to the value of the dropdown
self.language = localStorage.getItem('language');
// Do something when the self.language changes using the onchange lemonadeJS native tracker
self.onchange = function() {
// Persist language
localStorage.setItem('language', self.language);
console.log(localStorage.getItem('language'))
}
return ``;
}
```
[See this example on codesandbox](https://codesandbox.io/s/lemonadejs-value-persistence-p2hbvf)