31 lines
774 B
Markdown
31 lines
774 B
Markdown
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# running time challenges
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My script. #docs
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**Challenge 0**
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Great job! You have successfully completed the [Running Time tutorial](/microbit/lessons/running-time/tutorial) . You have a forever loop that declares a variable in it that holds the running time in milliseconds of the micro:bit and then shows the seconds on the LED screen.
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```
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basic.forever(() => {
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let now = input.runningTime()
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basic.showNumber(now / 1000, 150)
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})
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```
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**Challenge 1**
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When button A is pressed, reset the time by subtracting the current time from the variable now.
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```
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basic.forever(() => {
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let now1 = input.runningTime()
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basic.showNumber(now1 / 1000, 150)
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})
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if (input.buttonIsPressed("A")) {
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let now2 = 0 // ***
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}
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```
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* Run the code to see if it works as expected.
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