1.1 KiB
1.1 KiB
Button Is Pressed
Check whether a button is pressed right now. The micro:bit has two buttons: button A and button B.
input.buttonIsPressed(Button.A);
Parameters
nameis a String. You should storeAin it to check the left button,Bto check the right button, orA+Bto check both at the same time.
Returns
- Boolean that is
trueif the button you are checking is pressed,falseif it is not pressed.
Example
This program uses an if to run
one part of the program if the A button is pressed, and
another part if it is not pressed.
basic.forever(() => {
let pressed = input.buttonIsPressed(Button.A)
if (pressed) {
// this part runs if the A button is pressed
basic.showNumber(1, 150)
} else {
// this part runs if the A button is *not* pressed
basic.showNumber(0, 150)
}
})