JavaScript: Convert the length of a given string in bytes

JavaScript fundamental (ES6 Syntax): Exercise-13 with Solution

Write a JavaScript program to convert a given string's length to bytes.

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

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
// Define a function called `byte_Size` that calculates the byte size of a string.
const byte_Size = str => new Blob([str]).size;

// Test the function with different strings
console.log(byte_Size('123456'));         
console.log(byte_Size('Hello World'));    
console.log(byte_Size('â'));    

Output:

6
11
4

Visual Presentation:

Flowchart:

Live Demo:

See the Pen javascript-basic-exercise-1-13 by w3resource (@w3resource) on CodePen.

Improve this sample solution and post your code through Disqus

Previous: Write a JavaScript program to removes non-printable ASCII characters from a given string.
Next: Write a JavaScript program to replace the names of multiple object keys with the values provided.