img alt attribute seems not to work in google chorme [duplicate]

I have a problem in the following line of code of HTML

<img src="smile.gif" alt="Smiley face" width="42" height="42">

if the smile.gif image does not exist on the server , Google Chorme does not show me the the alt attribute as does firefox, but an empty image icon

Can you help me?

#html #google-chrome