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javascript - jQuery selectors - find objects without specified attribute

I have several objects on a page and I want to perform an operation using jQuery only on some of them - the ones that don't have a specified attribute. So:

<li style='...'>some text</li>
<li style='...'>some other text</li>
<li>some very diffrent text</li>

and in javascript I would have:

$('li[style]').hide();

that would hide all elements with a style sttribute. But if I want to hide the ones without it, how should my selector look like?

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jQuery("li:not([style])").hide();

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