To set the brightness, use the brightness property and for contrast, use the contrast property.
Example
You can try to run the following code to use image filters with JavaScript −
<!DOCTYPE html>
<html>
<body>
<p>Click below to change the brightness and contrast of the image.</p>
<button onclick="display()">Edit Image</button><br><br>
<img id="myID" src="https://www.tutorialspoint.com/videotutorials/images/tutorial_library_home.jpg"
alt="Tutorials Library" width="320" height="320">
<script>
function display() {
document.getElementById("myID").style.filter = "brightness(50%)";
document.getElementById("myID").style.filter = "contrast(50%)";
}
</script>
</body>
</html>