knockout.js change css

This demo shows you how to change css using knockout.js

by Dmitry Golikov

HTML

<div data-bind="css: firstName">
asdfsadf
</div>

CSS

.first{
    color: red;
}
.second{
    color: blue;
}

JavaScript

var ViewModel = function () {
    this.firstName = "first second";
};

ko.applyBindings(new ViewModel());