What text results in variable whitespace?

Whitespace is empty space around the words or the paragraphs which increases the readability of the text or paragraph.

Explanation:

Whitespace is created using the space key, tab key and return key. It is very useful for the text because it applies the clearness in the text or paragraph. We can also use the online application for applying the whitespace in the text.

The margin leaves variable whitespace ... ?

Vanilla jа vascript ... ?