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