Need width of img inside of div

Need width of img inside of div

Hi,
i'm new in programming..
pls help me with that
<div class="new">
  <img src=".."></img>
  . ....
  <img src=".."></img>
</div>
<p>click</p>

ho do i obtain the width of each img by pressing on paragraph, one by one!?
thnks a lot!