http://stackoverflow.com/questions/42197592/how-to-add-a-twitter-follow-button-inside-a-knockout-js-component

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.1/knockout-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="//platform.twitter.com/widgets.js"></script>

<profile></profile>

JavaScript

var viewModel = function(){
	var self = this;
  self.name = ko.observable("test");
}

ko.components.register('profile', {
  viewModel: function(){ 
    twttr.widgets.load();
  },
  template: '<a href="https://twitter.com/vishnu_narang" class="twitter-follow-button" data-show-count="false" data-bind="text:name">Follow        @vishnu_narang</a>'
})

ko.applyBindings(new viewModel());