JavaScript document.defaultView Property

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JavaScript document.defaultView Property

The document.defaultView property returns a reference to the window object.


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<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Click Me</button> <script> function myFunction(){ console.log(document.defaultView); } </script> </body> </html>



Return Values

ObjectReturns a reference to the window object.
NULLIf none is available.

Get the window's innerWidth and innerHeight


HTML Online Editor
<!DOCTYPE html> <html> <body> <p>Return the window's width and height:</p> <button onclick="myFunction()">Click Me</button> <p id="point"></p> <script> var win = document.defaultView; var x = document.getElementById("point"); function myFunction(){ var w = win.innerWidth; var h = win.innerHeight; x.innerHTML = "innerWidth: " + w + "<br>innerHeight: " + h; } </script> </body> </html>


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