Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Get Width and Height of the Browser Viewport Excluding Scrollbars</title> <style> body{ min-height: 2000px; } </style> </head> <body> <script> function windowSize(){ let w = document.documentElement.clientWidth; let h = document.documentElement.clientHeight; alert("Width: " + w + ", " + "Height: " + h); } </script> <button type="button" onclick="windowSize();">Get Window Size</button> </body> </html>
