West Midlands | 25-ITP-Sept | Mustaf Asani | Sprint 3 | Feature/alarmclock #921
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asaniDev
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Sprint-3/alarmclock/alarmclock.js
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Comment on lines
17
to
20
| if (timer) { | ||
| clearInterval(timer); | ||
| timer = null; | ||
| } |
Contributor
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You may also want to stop the alarm (to reset all application states before starting a new countdown)
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added code to stop the alarm if it was playing
Sprint-3/alarmclock/alarmclock.js
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| clearInterval(timer); | ||
| timer = null; | ||
| } | ||
| timer = setInterval(countDown, 1000); |
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Line 20 will still get executed even when inputTime is 0.
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Comment on lines
+11
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+30
| if (inputTime === 10) { | ||
| changeBgColor = true; | ||
| } else if (inputTime === 0) { | ||
| displayTime(inputTime); | ||
| playAlarm(); | ||
| document.querySelector("#alarmSet").reset(); | ||
| } | ||
| displayTime(inputTime); | ||
| if (typeof audio !== "undefined" && audio) { | ||
| audio.pause(); | ||
| try { | ||
| audio.currentTime = 0; | ||
| } catch (e) {} | ||
| audio.loop = false; // disable looping if it was set | ||
| } | ||
| if (timer) { | ||
| clearInterval(timer); | ||
| } | ||
| timer = setInterval(countDown, 1000); | ||
| } |
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When inputTime is 0, can you identify all the code between line 11 and 30 that will be executed? And among them, which code are unnecessarily executed?
Consider organising the code in the following maner:
// Step 1: Reset everything (timer, audio, background, ...) before starting a new countdown
// Note: Can also consider implement a function to reset everything and then call the function here
...
// Step 2; Validate input
...
// Step 3: Start a new countdown depending on the value of `inputTime`
...
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Changelist
Added functions to alarm to make the timer count down from input time and alarm to off when it reaches 0.