The Window name property is used for setting or returning the name of a window. It is generally used to modify the name of a window which has been created in the past. It returns a string which represents the name of the window.
Syntax:
window.name
Return Value: It returns a string value that represents window name.
Below program illustrates the Window name Property :
Returning the name of a window.
<!DOCTYPE html>
<html>
<head>
<title>
Window name Property in HTML
</title>
<style>
h1 {
color: green;
}
h2 {
font-family: Impact;
}
body {
text-align: center;
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>Window name Property</h2>
<p>
For returning the name of the window,
double click the "Check Name" button:
</p>
<button ondblclick="fname()">Check Name</button>
<!--window.open() defines the name of the window -->
<!-- w.name property print the name of that window -->
<script>
function fname() {
var w = window.open("","My Window",
"width=400, height=400");
w.document.write("The name of the window is : "
+ w.name);
}
</script>
</body>
</html>
Output:

After clicking the button

Supported Browsers: the browser supported by HTML | Window name Property are listed below:
- Google Chrome 1 and above
- Edge 12 and above
- Internet Explorer 4 and above
- Firefox 1 and above
- Opera 12.1 and above
- Safari 1 and above