---
title: "LemonadeJS components | v2 docs"
description: "LemonadeJS v2 archive. Create amazing reactive reusable components using LemonadeJS."
source: https://lemonadejs.com/docs/v2/components/
---
Components
==========
A component is the best way to create reusable features, and it contains two main parts, the self, and the template. The element helps to bind both self (javascript) and the template (HTML) in the same scope making it possible to share properties, objects, and methods.
### Summary of this chapter
The most important points:
* **The self properties**: All attributes from the component HTML tag will be available in the method as `this`.
* **Reserved properties**: the parent, el, and refresh are reserved properties in any component.
* **Dynamic template**: All HTML within a component tag is the template and is part of the function call.
* **Component refresh**: This is used to re-render the component keeping the self state.
* **Component declaration**: A custom tag and its methods should have the same name and passed in your call `lemonade.element(template, self, { Component1, Component2, ... })`.
The self properties
-------------------
All attributes used in the custom component tag in the template will be available as `this` inside the custom component.
```html
```
### Reserved self properties
When a self is created from a custom component, the following properties are reserved:
* parent: the self from the caller;
* el: the HTML root element;
* refresh: a method to trigger the refresh bound to a property. Normally used on array operations;
Dynamic template
----------------
Any HTML inside component tag is considered as a template, and it will passed to the component method handler as the first argument.
```html
```
Component refresh
-----------------
It is important to notice in the examples above that the components `Hello` and `Crypto` are included in the third argument of `lemonade.element`. This is because, the component reference should be available in the same scope of the template during the rendering.
```html
```
Component declaration
---------------------
It is important to notice in the examples above that the components `Hello` and `Crypto` are included in the third argument of `lemonade.element`. This is because, the component reference should be available in the same scope of the template during the rendering.