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Cloning a css style from a style sheet using jquery/greasemonkey
原标题:

I am writing a Greasemonkey script using jquery, and I want to add information from multiple pages, but the object i want to load is a div with an Id, is there any way I can retrieve the style information, so that I can apply it to the added sections?

最佳回答

Take a look at getComputedStyle()

This is untested, but the code would be something like this:

var someOtherElement = document.getElementById( blah );
var style = window.getComputedStyle(document.getElementById( myId ),   );
for (var i in style) {
    if (style.hasOwnProperty(i)) {
        someOtherElement.style[i] = style[i];
    }
}

This will only work (well, this probably doesn t work at all, but the basic idea of it will only work) with Firefox, but since you said you re using greasemonkey, I assume that s not a concern for you.


I think my brain isn t working properly this morning - but in any case, here s something which works, but in a dodgy way. Loop through the styles of the element you are copying them to.

var s = window.getComputedStyle(document.getElementById( myElement ), null);
var someOtherElement = document.getElementById( someOther );

for (var i in someOtherElement.style) {
    try {
        someOtherElement.style[i] = s[i];
    } catch (e) { }
}

Like I said, my brain is not working and the above is dodgy. The style object has properties length and parentRule which are read-only which makes it die, hence the try/catch.

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