The Window innerHeight property is used for returning the height of a window's content area. It is a read-only property and returns a number which represents the height of the browser window's content area in pixels.
Syntax:
window.innerHeight
Return Value: It returns a number that represents browser window's content area height in pixels.
Below program illustrates the Window innerheight Property:
Returning the current frame's height.
<!DOCTYPE html>
<html>
<head>
<title>
Window innerHeight Property in HTML
</title>
<style>
h1 {
color: green;
}
h2 {
font-family: Impact;
}
body {
text-align: center;
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>Window innerHeight Property</h2>
<p>For returning the current frame's height,
double click the "Check Height" button: </p>
<button ondblclick="height()">Check Height</button>
<p id="measure"></p>
<script>
function height() {
var h = window.innerHeight;
document.getElementById("measure").innerHTML
= "Frame's Height: " + h;
}
</script>
</body>
</html>
Output:

After clicking the button:

Supported Browsers: The browser supported by Window innerHeight Property are listed below:
- Google Chrome 1
- Edge 12
- Internet Explorer 9
- Firefox 1
- Opera 9
- Safari 3