ng-src= vs src= ngSrc directive

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I recently ran into a small bug that I over thought for too long. I installed bower install angular-gravatar and within a few minutes I was up and running with the users avatar. Then I notiticed I had console errors regarding the path of the gravatar image. It turns out there's a right and wrong way to use angular templates... DOH! :)

Using Angular markup like {{hash}} in a src attribute doesn't work right: The browser will fetch from the URL with the literal text {{hash}} until Angular replaces the expression inside {{hash}}. The ngSrc directive solves this problem.

The buggy way to write it:

<img src="http://www.gravatar.com/avatar/{{hash}}"/>

The correct way to write it:

<img ng-src="http://www.gravatar.com/avatar/{{hash}}"/>

Now everything works and everyone is happy. Cheers!