JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cloud.github.com/downloads/SteveSanderson/knockout/knockout-2.1.0.js"></script>
<fieldset>    
    <div>        
        <label class="editor-label">Question 1?</label>        
        <input type="text" class="editor-field" />   
        <button type="button" data-bind="click: helpClicked">Help</button>        
        <p class="help">Help 1</p>    
    </div>     
    <div>        
        <label class="editor-label">Question 2?</label>        
        <input type="text" class="editor-field" />        
        <button type="button" data-bind="click: helpClicked">Help</button>
        <p class="help">Help 2</p>    
    </div>    
    <div>        
        <label class="editor-label">Question 3?</label>        
        <input type="text" class="editor-field" />         
        <i>Help</i>        
        <p class="help">Help 3</p>    
    </div> 
</fieldset>

CSS

.help
{
    display: none;
}

JavaScript

var viewModel = {     
    helpClicked: function (item, event) {   
        $(event.target).hide(); 
        $(event.target).next(".help").show()            
    }
};  
ko.applyBindings(viewModel);