Help me in solving JS20A problem

My issue

Why does the status show error even after submitting the correct code in the correct place?

My code

// Add the code below this line

document.body.innerHTML = '<h2>CodeChef is the best!!!</h2>';

Learning course: Web development using JavaScript
Problem Link: CodeChef: Practical coding for everyone

@sroy75 Put below code in index.js

document.body.innerHTML = '<h2>CodeChef is the best!!!</h2>';