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Editorial Team
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Asked: 2026-05-26T10:12:35+00:00

Here is a funny little issue i’ve come across with dynamically setting the class

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Here is a funny little issue i’ve come across with
dynamically setting the class for a array of divs.

Using Knockout.js i’m assigning the classes used via the ‘attr’ binding.

This works well in all browsers i’ve tested except IE-7 (Not worried about IE-6 etc)

I have an jsfiddle example highlighting the issue here

In the example the static (top row) should match the bottom one (ko generated)
In IE-7 i’m just seeing the broadest css selector color (Silver)

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1 Answer

  1. Editorial Team

    IE7 requires that you set className instead of class.

    For instance, this works in IE7 and other browsers: http://jsfiddle.net/thirtydot/VVuGh/14/

    <div data-bind='attr: { "class": classes, "className": classes }'></div>

    However, support for this IE7 quirk should ideally not be in your HTML. Inside knockout.js would be a better place, though I know nothing about the library to be able to make such a recommendation.

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