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I inherited an application where display:none was used to control conditional display of input elements based the values of other input elements.
The way this was handled is by running some pretty ugly code to evaluate field values and reset the display property in the during page load. Every time.
Isn’t there a better way?
Using display: none in conjunction with JavaScript and CSS is the easiest way of simply showing or hiding DOM elements on the fly. That said, you could manipulate the DOM itself by adding or removing elements rather than simply showing / hiding them (with jQuery, for example).