Created
April 9, 2017 20:05
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JS Bin // source http://jsbin.com/jimebuw
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<script id="jsbin-javascript"> | |
/* | |
Given a time in 12-hour AM/PM format, convert it to 24-hour format. | |
Input format: | |
A single string containing a time in 12-hour clock format (i.e.: hh:mm:ssAM or hh:mm:ssPM), where 01 <= hh <= 12 and 00 <= mm, ss <= 59. | |
Output format: | |
A single string in 24-hour format, where 00 <= hh <= 23. | |
*/ | |
function convert(time) { | |
const hours = parseInt(time.substring(0, 2), 10); | |
const dayTime = time.substring(time.length - 2, time.length); | |
let convertedTime = time.replace(dayTime, ''); | |
let convertedHours = hours; | |
if (dayTime === 'AM' && hours === 12) { | |
convertedHours = 0; | |
} | |
else if (dayTime === 'PM' && hours !== 12) { | |
convertedHours = hours + 12; | |
} | |
if (convertedHours < 10) { | |
convertedHours = `0${convertedHours}`; | |
} | |
console.log(`${convertedHours}${convertedTime.substring(2, convertedTime.length)}`); | |
} | |
convert('07:01:00AM'); | |
convert('12:30:12AM'); | |
convert('12:30:12PM'); | |
convert('03:30:12AM'); | |
convert('03:30:12PM'); | |
</script> | |
<script id="jsbin-source-javascript" type="text/javascript">/* | |
Given a time in 12-hour AM/PM format, convert it to 24-hour format. | |
Input format: | |
A single string containing a time in 12-hour clock format (i.e.: hh:mm:ssAM or hh:mm:ssPM), where 01 <= hh <= 12 and 00 <= mm, ss <= 59. | |
Output format: | |
A single string in 24-hour format, where 00 <= hh <= 23. | |
*/ | |
function convert(time) { | |
const hours = parseInt(time.substring(0, 2), 10); | |
const dayTime = time.substring(time.length - 2, time.length); | |
let convertedTime = time.replace(dayTime, ''); | |
let convertedHours = hours; | |
if (dayTime === 'AM' && hours === 12) { | |
convertedHours = 0; | |
} | |
else if (dayTime === 'PM' && hours !== 12) { | |
convertedHours = hours + 12; | |
} | |
if (convertedHours < 10) { | |
convertedHours = `0${convertedHours}`; | |
} | |
console.log(`${convertedHours}${convertedTime.substring(2, convertedTime.length)}`); | |
} | |
convert('07:01:00AM'); | |
convert('12:30:12AM'); | |
convert('12:30:12PM'); | |
convert('03:30:12AM'); | |
convert('03:30:12PM');</script></body> | |
</html> |
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Learn more about bidirectional Unicode characters
/* | |
Given a time in 12-hour AM/PM format, convert it to 24-hour format. | |
Input format: | |
A single string containing a time in 12-hour clock format (i.e.: hh:mm:ssAM or hh:mm:ssPM), where 01 <= hh <= 12 and 00 <= mm, ss <= 59. | |
Output format: | |
A single string in 24-hour format, where 00 <= hh <= 23. | |
*/ | |
function convert(time) { | |
const hours = parseInt(time.substring(0, 2), 10); | |
const dayTime = time.substring(time.length - 2, time.length); | |
let convertedTime = time.replace(dayTime, ''); | |
let convertedHours = hours; | |
if (dayTime === 'AM' && hours === 12) { | |
convertedHours = 0; | |
} | |
else if (dayTime === 'PM' && hours !== 12) { | |
convertedHours = hours + 12; | |
} | |
if (convertedHours < 10) { | |
convertedHours = `0${convertedHours}`; | |
} | |
console.log(`${convertedHours}${convertedTime.substring(2, convertedTime.length)}`); | |
} | |
convert('07:01:00AM'); | |
convert('12:30:12AM'); | |
convert('12:30:12PM'); | |
convert('03:30:12AM'); | |
convert('03:30:12PM'); |
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