javascript - How to fix Window.getComputedStyle is not an object error - Stack Overflow

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I am trying to use draggabilly available at

it works fine in html. Now when i have tried to add it in wordpress. I am getting following error in firebug console.

TypeError: Argument 1 of Window.getComputedStyle is not an object.
return s.getComputedStyle(t, null)

here is a link for js file .pkgd.min.js

I am trying to use draggabilly available at https://github./desandro/draggabilly

it works fine in html. Now when i have tried to add it in wordpress. I am getting following error in firebug console.

TypeError: Argument 1 of Window.getComputedStyle is not an object.
return s.getComputedStyle(t, null)

here is a link for js file http://draggabilly.desandro./draggabilly.pkgd.min.js

• javascript
• jquery
• jquery-ui
• drag-and-drop
• getputedstyle

Share Improve this question Follow asked Feb 20, 2014 at 5:48 NomiNomi 76033 gold badges1111 silver badges2222 bronze badges 4

• Did you look at what t is in either the debugger or console.log(t)? That seems kind of the obvious first step and then look back at how you populate t for ideas on why it isn't set properly. – jfriend00 Commented Feb 20, 2014 at 5:58
• thanks for reply. I got it working. I just copied plete html code for demo in wordpress. – Nomi Commented Feb 20, 2014 at 6:42
• 4 In d3.js, you will get this error if you try to make a selection on a non-existent dom object. – Union find Commented Jul 29, 2014 at 8:06
• 1 @Incodeveritas Thanks for menting - though I'm not using D3, you led me to a solution. – Brendan Commented Jul 28, 2015 at 1:05

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 2

You are calling init twice. Go through your code and remove one instance.

I received this error testing my project with IE8: finally it was so obvious, this method doen't work with IE 8!

Error: Object doesn't support this property or method at: http://...

I received this error with FF that does support this method but I forgot to change window to my frame window object!

console.log(getComputedStyle(window.document.querySelector('.tip > .tip.top'), ':after').getPropertyValue('left'));
TypeError: Argument 1 of Window.getComputedStyle is not an object.
at: http://...

Note that the above error pops up even if your window object is ok but the querySelector returns nothing! (I suspect it's your case).

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