JavaScript - insert unicode character to string

In this article, we are going to look at how to insert Unicode characters to string in JavaScript.

There are three different ways how to do it:

• with escape character e.g. \u03c0 that is equal to π,
• by pasting character directly to string,
• by converting codes to a string.

Quick solution:

// ONLINE-RUNNER:browser;

var text = "π or \u03c0"; // U+03C0

console.log(text); // π or π

Note: it is important to put 4 digits after \u.

More complicated example

Space is represented by 0x20 (in hex) or 32 (in dec). It is necessary to add 2 additional zeros before code (e.g. \u0020).

// ONLINE-RUNNER:browser;

var text = "π and \u03c0 are\u0020equal"; // U+03C0 U+0020

console.log(text); // π and π are equal

Marked inserted Unicode characters: π and \u03c0 are \u0020 equal.

Note: read this article to see more examples.

References

1. List of Unicode characters - Wikipedia