add style from js code example
Example 1: add style javascript
element.setAttribute("style", "background-color: red;");
element.style.backgroundColor = "red";
Example 2: how to change style of an element using javascript
<html>
<body>
<p id="p2">Hello World!</p>
<script>
document.getElementById("p2").style.color = "blue";
</script>
<p>The paragraph above was changed by a script.</p>
</body>
</html>
Example 3: js style
const title = document.querySelector('h1')
console.log(title.style);
console.log(title.style.color);
title.style.margin = '50px';
title.style.color='crimson';
title.style.fontSize = '60px';
Example 4: style through javascript
element.style.backgroundColor = "red";