how to change css property with javascript code example

Example 1: how to change css with js

document.querySelector('h1', container).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: javascript change css

document.getElementById(id).style.property = new style

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Css Example

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