jquery deselect select drop-down box sample code_jquery

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Release： 2016-05-16 16:58:50

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There are three select drop-down boxes
One large category and two small categories are hidden. When selecting the large category, the small categories need to be displayed and the items selected in other small categories should be cleared at the same time.
This requirement is a bit... ........

The following are three choices:

Copy the code The code is as follows:

"sel_children0" style="display:none;">

/option>
;