21 lines
478 B
Markdown
21 lines
478 B
Markdown
# Reactive
|
|
_This module provides reactive functionality for elements, it adds no new functionality for elements. _
|
|
_It is used to evaluate expressions in property values and update the element when the expression changes._
|
|
|
|
## Usage
|
|
```lua run
|
|
local button = main:addButton({text="Exit"})
|
|
```
|
|
|
|
```lua run
|
|
button:setX("{parent.x - 12}")
|
|
```
|
|
|
|
```lua run
|
|
button:setBackground("{self.clicked and colors.red or colors.green}")
|
|
```
|
|
|
|
```lua run
|
|
button:setWidth("{#self.text + 2}")
|
|
```
|