A question about how to add optgroups to dynamic dropdowns led to my reexamining the approach I had previously used for the examples of how to generate select lists dynamically. As a result I now provide a far shorter and flexible solution. Dynamic Dropdowns – Revised
I have been programming computers since the late 1970s, performing a wide variety of different computer programming jobs, and using a large range of different languages - mostly writing accounting and financial systems for mainframe computers. Since the market for mainframe computer skills moved offshore I have been writing about computers, teaching computer courses in the classroom, and also doing accounting work.
Computer help on a range of different computer related topics
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