The String data type includes several character literals to represent nonprintable characters:
| Literal | Meaning |
|---|---|
| \n | New line |
| \t | Tab |
| \b | Backspace |
| \r | Carriage return |
| \f | Form feed |
| \\ | Backslash (\) |
| \' | Single quote ', used when the string is delineated by single quotes. Example: 'He said, \'hey.\''. |
| \" | Double quote ", used when the string is delineated by double quotes. Example: "He said, \"hey.\"". |
| \` | Backtick `, used when the string is delineated by backticks. Example: `He said, \`hey.\``. |
| \xnn | A character represented by hexadecimal code nn (where n is a hexadecimal digit 0-F). Example: \x41 is equivalent to "A". |
| \unnnn | A Unicode character represented by the hexadecimal code nnnn (where n is a hexadecimal digit 0-F). |
These character literals can be included anywhere with a string and will be interpreted as if they were a single character:
let text = "This is the letter sigma: \u03a3.";