Getting Prefixed CSS Properties in Opera via JavaScript

Question

I have written some jQuery that is working perfectly in WebKit browsers and Firefox. I am now testing in Opera and am having issues with getting the transition duration for an element. This is my code:

slideSpeed = $(".animate-in").css("-o-transition-duration");
console.log("Slide Speed", slideSpeed);

With the following CSS:

.animate-in{
    -o-transition-duration: 2.5s;
}

For some reason, Opera doesn't return "2.5s". Can anyone explain why please?

JSFiddle: http://jsfiddle.net/UGdUs/7/

dev-null-dweller · Accepted Answer · 2011-11-09 19:57:00Z

2

Looks like a bug.

If you inspect element you can see that all computed style tor transitions are empty. Even if you try to directly acces the property from pure JavaScript:

var delay = document.getElementById('id').style.OTransitionDelay;

it returns empty string. However if you set it this way

document.getElementById('id').style.OTransitionDelay = '2.5s';

And then retrieve it this way, it works.

answered Nov 9, 2011 at 19:57

dev-null-dweller

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1 Comment

Ian Lunn Over a year ago

Thanks, I didn't spot the empty values in the computed styles. Will report it as a bug.

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