15 lines
536 B
Markdown
15 lines
536 B
Markdown
### toMeridiem
|
|
|
|
Uses modulo operator (`%`) to transform an integer to a 12 hour clock format. Stringifies transformed integer with concatenated meridiem suffix. Maintains 12 hour format principles with conditional check (0am - 12am).
|
|
|
|
```js
|
|
const toMeridiem = num => {
|
|
const meridiems = ["am", "pm"];
|
|
let period = num > 11 ? 1 : 2;
|
|
|
|
return num === 0 || num === 12 || num === 24 ? 12 + meridiems[period] : num % 12 + meridiems[period];
|
|
}
|
|
// toMeridiem(0) -> "12am"
|
|
// toMeridiem(9) -> "9am"
|
|
// toMeridiem(13) -> "1pm"
|
|
``` |