# JavaScript: Get 12-hour format of an hour with leading zeros

## JavaScript Datetime: Exercise-33 with Solution

Write a JavaScript function to get 12-hour format of an hour with leading zeros.

Test Data:
dt = new Date(1989, 10, 1);
console.log(hours_with_zeroes(dt));
"12"

Sample Solution:-

HTML Code:

``````<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>JavaScript function to get 12-hour format of an hour with leading zeros</title>
<body>

</body>
</html>
```
```

JavaScript Code:

``````function hours_with_zeroes(dt)
{
return ((dt.getHours() % 12 || 12) < 10 ? '0' : '') + (dt.getHours() % 12 || 12);
}

dt = new Date();
console.log(hours_with_zeroes(dt));

dt = new Date(1989, 10, 1);
console.log(hours_with_zeroes(dt));
```
```

Sample Output:

```03
12
```

Flowchart:

Live Demo:

See the Pen JavaScript - Get 12-hour format of an hour with leading zeros-date-ex-33 by w3resource (@w3resource) on CodePen.

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## JavaScript: Tips of the Day

Convert tabs to spaces, where each tab corresponds to count spaces

Example:

```const tips_expandTabs = (str, count) => str.replace(/\t/g, ' '.repeat(count));
console.log(tips_expandTabs('\t\tw3resource', 4));
```

Output:

```"        w3resource"
```