The property string.length
returns the number of bytes in a string, i.e. the length.
let str ="Hello world";
len = str.length; // len = 11, the length of str
In JavaScript, you can get the length of a string using the .length
property. Here’s how you can do it:
let myString = "Hello, world!";
let lengthOfString = myString.length;
console.log(lengthOfString); // Outputs: 13
length
property returns the number of characters in the string, including spaces and punctuation.string.length
returns the number of bytes, not the number of characters. Some characters (UTF-8, UNICODE ...) are encoded on several bytes :
let str ="😀";
console.log (str.length); // Display 2
The .length
property counts all characters, including whitespace, so " "
(three spaces) would return a length of 3.
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