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How to change font style and font weight in Javascript


Style fontWeight Property

1. Set the font weight for an element to "900": getElementById("demo"). style. fontWeight = "900";

2. A demonstration of possible values: var listValue = selectTag. options[selectTag. selectedIndex]. text; ...

3. Return the font weight of an element: getElementById("demo"). fontWeight);

Example 1


document.getElementById("demo").style.fontWeight = "900";

Example 2


<!DOCTYPE html>
<html>

<head>
	<title>
		How to change font-weight of
		a text using JavaScript?
	</title>
</head>

<body style="text-align: center;">

	<h1 style="color: green">
		GeeksforGeeks
	</h1>

	<h2>
		How to change font-weight of
		<br>a text using JavaScript?
	</h2>

	<p id="sudo">Welcome to GeeksforGeeks</p>

	<br>

	<button type="button" onclick="myGeeks()">
		Click to change
	</button>

	<script>
		function myGeeks() {
			document.getElementById("sudo")
				.style.fontWeight = "bold";
		}
	</script>
</body>

</html>

Output



Conclusion

In this page (written and validated by ) you learned about . What's Next? If you are interested in completing Javascript tutorial, we encourage you simply to start here: Javascript Tutorial.



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