32 lines
643 B
Markdown
32 lines
643 B
Markdown
# Running Time
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Find how long it has been since the program started in milli-seconds.
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```sig
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input.runningTime();
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```
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## Returns
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* the [Number](/types/number) of milliseconds since the program started.
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(One second is 1000 milliseconds.)
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## Example: elapsed time
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When you press button `B` on the microbit, this
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program finds the number of milliseconds since the program started
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and shows it on the [LED screen](/device/screen).
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```blocks
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input.onButtonPressed(Button.B, () => {
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let now = input.runningTime()
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basic.showNumber(now)
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})
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```
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## See also
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[show number](/reference/basic/show-number), [pause](/reference/basic/pause)
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