Windows Diary

How To Fix C.defaultview.getcompputedstylea Null Is Null Simple

Posted on by Donald Serrano

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    You should read these troubleshooting tips if you see the c.defaultview.getcomputedstylea null is null error on your computer.

    I am creating a nice page with multiple iframes and I always get “TypeError: c.defaultView.getComputedStyle (…) is usually null” when an error occurs while loading the internal iframe.The funny thing is it doesn’t show the error in IE or Chrome.

    error c.defaultview.getcomputedstylea null is null

    Due to this kind of application, I am forced to use an iframe, otherwise this is probably not an option.

    So I have my mums and dads page that has a navigation bar with an iframe to display the content (called iframe 1).In this iframe of content, I again have your own navbar and another iframe to display the content (called iframe 2).Iframe 2 loads articles or blog posts via Javascript: 

      LngTileID function) gotourl (strurl,    document.getElementById ('Dashboard_FrameDIV'). style.display = 'none';    document.getElementById ('Dashboard_LoaderDIV'). style.display = '';   Document .getElementById ('Dashboard_Iframe'). Src = strURL;   $ ('. Panel_Tile'). removeclass ('active');   $ ('# Dashboard_Tile_' + lngTileID) .addClass ('ActiveTile');

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    • On first load of iframe 1, src skips iframe 2 and I usually don’t get an error. However, while the src set is set for iframe 2, I get an error.I get it on almost one page that I load in an iframe, only two contain jquery. However, it is only contained once on the page itself (src iframe).

    error c.defaultview.getcomputedstylea null is null

    I think this is not something specific in my code. This is basically what makes this error, but more of a principle that most of me incorrectly apply, so I don’t post much more code. If necessary, I can place my code here.

    Window .getComputedStyle () returns strategy and object contains most of the values ​​of all CSS properties of another element upon activation. was applied Style sheets and resolution of all basic calculations that today’s values ​​might contain.

    CSS values ​​for individual properties are usually available through APIs provided by the target or Indexing using JavaScript property names.

    Element
    The element to get from which to extract the computed style.
    pseudoElt Optional
    A string specifying the pseudo-element to search for. (or null omitted) for real items.

    The returned style could be CSSStyleDeclaration -The changing object is automatically updated when the styles of the element are undoubtedly changed. 

      window.getComputedStyle (element);window.getComputedStyle (element, pseudoElt);
    TypeError
    If the passed object is not a element or just like that pseudoElt is or is not a valid and functional pseudo-element selector :: part () or :: slot () .

    Note. A valid pseudo-element selector syntactically describes Validity such as :: not supported is considered valid although the pseudo-element itself is not supported. Also, the last W3 subroutine

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