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resizeTo method (window)

Browser support:
Resizes the browser window to the specified size.
The resizeTo method leaves the top-left corner of the browser window in place, it moves the other corners if necessary.
  • If you want to resize the browser window by a specified amount of pixels, use the resizeBy method.
  • The browser window can be moved with the moveBy and moveTo methods.
  • To get the size and the top-left corner of the browser window, use the outerWidth, outerHeight and the screenX, screenY properties.
  • If you need information about the dimensions of the screen, use the screen object.


object.resizeTo (width, height);
You can find the related objects in the Supported by objects section below.


Required. Integer that specifies the new width of the browser window.
Required. Integer that specifies the new height of the browser window.

Return value:

This method has no return value.

Example HTML code 1:

This example illustrates the use of the resizeBy and resizeTo methods:
    <script type="text/javascript">
        function ResizeBrowserBy () {
            window.resizeBy (-50, -50);
        function ResizeBrowserTo () {
            window.resizeTo (600, 400);
    <button onclick="ResizeBrowserBy ();">Make the browser window smaller!</button>
    <br />
    <button onclick="ResizeBrowserTo ();">Resize the browser window to 600px * 400px</button>
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