Window resizeBy() Method

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP







<!--
main_leaderboard, all: [728,90][970,90][320,50][468,60]
-->



Window resizeBy() Method


❮ Window Object



Example


Open a new window, and resize the width and height 250px relative to its
current position:



function openWin()
  myWindow = window.open("", "", "width=100, height=100");  // Opens a new window


function resizeWin()
  myWindow.resizeBy(250, 250);                             // Resizes the new window

 
myWindow.focus();                                        // Sets focus to the new window


Try it Yourself »

More "Try it Yourself" examples below.



Definition and Usage


The resizeBy() method resizes a window by the specified amount, relative to its current size.


Note: This method moves the bottom right corner of the window by the
specified number of pixels defined. The top left corner will not be moved (it
stays in its original coordinates).


Related methods:



  • resizeTo() - Resizes the window to the specified width and height


  • moveBy() - Moves a window relative to its current position


  • moveTo() - Moves a window to the specified position


Browser Support














Method
resizeBy() Yes Yes Yes Yes Yes

Syntax



resizeBy(width, height)

Parameter Values











Parameter Type Description
width Number Required. A positive or a negative number that specifies how many pixels to resize the width by
height Number Required. A positive or a negative number that specifies how many pixels to resize the height by




<!--
mid_content, all: [300,250][336,280][728,90][970,250][970,90][320,50][468,60]
-->




Technical Details




Return Value: No return value

More Examples



Example


Open a new window, and decrease the width by 50px and increase the height by
50px:



myWindow.resizeBy(-50, 50);

Try it Yourself »



Example


Using the resizeBy() method together with resizeTo():



function resizeWinTo()
  myWindow.resizeTo(800, 600);

 
myWindow.focus();


function resizeWinBy()

 
myWindow.resizeBy(-100, -50);
  myWindow.focus();


Try it Yourself »



Example


Resize the topmost browser window with 100px each way (works only in IE and
Safari):



top.resizeBy(100, 100);

Try it Yourself »



❮ Window Object