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Topic: Disable dropdown item based on selection done on other dropdown box (Read 1115 times) previous topic - next topic

Disable dropdown item based on selection done on other dropdown box

I am working with two dropdown selects with same options. I want to disable an item if that item is selected in other dropdown. i.e. if I am selecting one item its disabled in other dropdown. But I am having trouble doing it. when I am new to PHPrad, jquery and AJAX. PLease guide me. Appreciate your help.