jquery - show image instead of Alt text if image src not present -


i using imageflow base . problem want show text on top of image tried doing js file don't accept div around img tag. 

       <img src="" alt=""   >

is there way show alternate image if image src not able .

you can below

 <div style="background: transparent url("tempballoon.png") no-repeat left top; font-size: 32px;width: 100%; height: height:[height of image]">   test  </div>

or can build given in link


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