Window: resizeTo() method

The Window.resizeTo() method dynamically resizes the window.

Syntax

js
resizeTo(width, height)

Parameters

width

An integer representing the new outerWidth in pixels (including scroll bars, title bars, etc.).

height

An integer value representing the new outerHeight in pixels (including scroll bars, title bars, etc.).

Return value

None (undefined).

Examples

This function resizes the window so that it takes up one quarter of the available screen. See the Screen.availWidth and Screen.availHeight properties.

js
function quarter() {
  window.resizeTo(window.screen.availWidth / 2, window.screen.availHeight / 2);
}

Specifications

Specification
CSSOM View Module
# dom-window-resizeto

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
resizeTo

Note: It's not possible to resize a window or tab that wasn't created by window.open(). It's also not possible to resize when the window has multiple tabs.

See also