30-seconds-of-code/snippets/js/s/byte-size.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Byte size of string	snippet	javascript	string	mountain-lake-cottage-2	2020-10-18T23:04:45+03:00

Returns the length of a string in bytes.

• Convert a given string to a Blob Object.
• Use Blob.size to get the length of the string in bytes.

const byteSize = str => new Blob([str]).size;

byteSize('😀'); // 4
byteSize('Hello World'); // 11