How to detect DIV's dimension changed?

Question

I\'ve the following sample html, there is a DIV which has 100% width. It contains some elements. While performing windows re-sizing, the inner elements may be re-positioned,

Answer 1

i thought it couldn't be done but then i thought about it, you can manually resize a div via style="resize: both;" in order to do that you ave to click on it so added an onclick function to check element's height and width and it worked. With only 5 lines of pure javascript (sure it could be even shorter) http://codepen.io/anon/pen/eNyyVN

    

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This my example demonstrates how to run a resize check on click for resizable div.

Try to resize the box.