Discussion: Offbeat Identifierz
Explore how JavaScript allows the use of Unicode characters and escape sequences as variable and function identifiers. Understand the rules and restrictions, and gain insight into character encoding, enriching your ability to write diverse and flexible code while balancing compatibility and readability.
Verifying the output
Now, it’s time to execute the code and observe the output.
Unicode characters as identifiers
You might be surprised that シ (which is a Japanese character called “shi”) is a valid identifier in JavaScript, and that \u2663 converts to a single character. But, in JavaScript, we can use a wide range of Unicode characters as identifiers. Surprisingly, not many developers know about this cool feature.
And that’s not all! We can also make use of Unicode escape sequences to rescue ourselves from special characters that hold meaning in our code ...