[Javascript] dynamically reading/changing values in a css class from javascript

[Lee Bettridge]

Is it possible to read a value from a CSS class and assign it to a
javascript variable ? and then in turn change the value in the CSS class
from javascript?

 

Eg.

 

In CSS file

 

.navPanel

{

      position: absolute;

      background: url(gfx/panel.png) no-repeat;

      top: 325px;

      left: 39px;

      width: 561px;

      height: 124px;

      z-index: 2;

      visibility: hidden;

}

 

in Javascript file

 

var width = [somehow read the .navPanel.width value]


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