Binding Element Attributes
In addition to normal text, you may also want to have your templates contain HTML elements whose attributes are bound to the controller.
For example, imagine your controller has a property that contains a URL to an image:
<div id="logo">
<img src={{logoUrl}} alt="Logo">
</div>
This generates the following HTML:
<div id="logo">
<img src="http://www.example.com/images/logo.png" alt="Logo">
</div>
If you use data binding with a