2017-05-24 17:47:19 +02:00
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# Stop watch
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2018-03-22 00:30:58 +01:00
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Press ``A`` to start the counter. Press ``A`` again to stop and display the count.
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2017-05-24 17:47:19 +02:00
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```blocks
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let msec = 0
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let sec = 0
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let end = 0
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let d = 0
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let start = 0
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input.onButtonPressed(Button.A, () => {
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if (!(start)) {
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start = input.runningTime()
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end = 0
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} else {
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d = input.runningTime() - start
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start = 0
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basic.clearScreen()
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basic.pause(1000)
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sec = d / 1000
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msec = d % 1000
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basic.showString("" + sec + "." + msec)
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}
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})
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basic.forever(() => {
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if (start) {
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led.toggle(Math.random(5), Math.random(5))
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}
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})
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```
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