should you define style inside javascript code example

Example 1: add style javascript

// Bad:
element.setAttribute("style", "background-color: red;");
// Good:
element.style.backgroundColor = "red";

Example 2: js style

const title = document.querySelector('h1')

//title.setAttribute('style', 'margin: 50px');

console.log(title.style); // Show all style propertyes
console.log(title.style.color); // Log a color in console

title.style.margin = '50px'; // Set a margin of title
title.style.color='crimson'; // Set a color of title
title.style.fontSize = '60px'; // Set font size of title