Description The length property returns the length of a string. The length property of an empty string is 0.

Jul 10, 2025 · Description This property returns the number of code units in the string. JavaScript uses UTF-16 encoding, where each Unicode character may be encoded as one or two code units, so it's …

Jul 23, 2025 · Another approach to determine the length of a given string in JavaScript is by utilizing the spread operator (...) along with the reduce () method. This method is less conventional but …

In this tutorial, you will learn about the JavaScript String length property with the help of examples. The JavaScript String length property returns the number of characters in a string.

This JavaScript tutorial explains how to use the string property called length with syntax and examples. In JavaScript, length is a string property that is used to determine the length of a string.

Jun 20, 2021 · Syntax string.length; The string can either be a literal sequence of characters surrounded by quotes or a variable that refers to such a sequence. Example The following example outputs the …

Read more about strings in our JavaScript Strings Tutorial. Read more about the length property in our JavaScript String length Reference.

Oct 4, 2024 · The length property in JavaScript is a built-in property that returns the number of characters in a string. It's a simple and effective way to determine the size of a string, making it …

Feb 5, 2025 · The length property of a JavaScript string returns the number of characters it contains. This includes letters, numbers, spaces, special characters, and even escape sequences (like \n for a …

The length property measures the number of characters in a given string: letters, numbers, spaces, punctuation… The length property is handled "behind the scenes" by your web browser's JavaScript …