how to refer to css stylein javascript code example

Example 1: 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 2: style through javascript

element.style.backgroundColor = "red";   // set the background color of an element to red

Example 3: how to change css using javascript

document.getElementById("myText").className = "anyNewClass"

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Html Example

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