3. Strings
The Web is made up of text: HTTP is a text-based protocol, and browsers consume Web content in HTML text files. JavaScript handles text in a flexible, capable manner with the powerful String data type.
Escape Characters
You can surround characters with either single primes (′) or double primes (″) to create a string. But whichever symbol you use, you can’t use it again in the middle of the string because that will end the string early. However, you can escape any character with a backslash (\) to solve this or use single primes inside double primes (and vice versa).
Escape sequences are useful for other things too, such as for newlines ...
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