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# love.keyboard.isDown

Checks whether a certain key is down. Not to be confused with love.keypressed or love.keyreleased.

## Function

### Synopsis

down = love.keyboard.isDown( key )

### Arguments

`KeyConstant key`
  The key to check.

### Returns

`boolean down`
  True if the key is down, false if not.

## Function

Available since LÖVE 0.7.2
This variant is not supported in earlier versions.

### Synopsis

anyDown = love.keyboard.isDown( key1, key2, key3, ... )

### Arguments

`KeyConstant keyN`
  A key to check.

### Returns

`boolean anyDown`
  True if any supplied key is down, false if not.

## Examples

### Increase a value while a key is held down

val = 0 -- establish a variable for later use
function love.update(dt)
if love.keyboard.isDown("up") then
val = val + dt -- we will increase the variable by 1 for every second the key is held down
end
end

## See Also

- love.keyboard
- love.keypressed
- love.keyreleased

## Other Languages

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Retrieved from "https://www.love2d.org/wiki/love.keyboard.isDown"
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