Multiple dropdowns with dependancy
I want to display 4 dropdowns, the items in each dropdown, depends on
selected item in previous dropdown.
I want to implement everything in javascript, meaning the servlet should
access DB (everything is stored in one reference table, where a column
"represents" a dropwdown ) only once and fetch all the relevant data.
The maximum number of possible combinations is about 9k.
How can I achieve that?
I guess the main problem is the data structure that should be used for
this. Maybe use of nested Maps?
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