add css through javascript code example

Example 1: add style javascript

// Bad:
element.setAttribute("style", "background-color: red;");
// Good:
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: how to give css style in javascript

document.getElementById("myH1").style.color = "red";

Example 4: change style js

// select element from DOM
const el = document.querySelector('.para')
// change css style
el.style.color = 'purple'

Example 5: js add css to document

document.querySelector('head').innerHTML += '<link rel="stylesheet" href="styles.css" type="text/css"/>';

Tags:

Css Example

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