The Window screenLeft property is used for returning the 'x' or horizontal coordinate of a window relative to a screen. It returns a number which represents the horizontal coordinate of a window relative to a screen.
Syntax:
window.screenLeft
Return Values: It returns a Number that represents the horizontal distance of the window relative to the screen, in pixels
Below program illustrates the Window screenLeft Property :
Getting the horizontal coordinate of a window relative to a screen.
<!DOCTYPE html>
<html>
<head>
<title>
Window screenLeft Property in HTML
</title>
<style>
h1 {
color: green;
}
h2 {
font-family: Impact;
}
body {
text-align: center;
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>Window screenLeft Property</h2>
<p>
For returning the X coordinates of
a window relative to the screen,
double click the "Check Screen
Left" button:
</p>
<button ondblclick="coordinate()">
Check Screen Left
</button>
<script>
function coordinate() {
var x = window.open("", "myWindow");
x.document.write
("
<p>Welcome to my Window");
x.document.write
("<br> ScreenLeft : " + x.screenLeft);
}
</script>
</body>
</html>
Output:
After clicking the button:
Supported Browsers: The browser supported by Window screenLeft Property are listed below:
- Google Chrome 1
- Edge 12
- Firefox 64
- Internet Explorer 5
- Opera 12.1
- Safari 1