jquery deselect select drop-down box sample code_jquery
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:
"sel_children0" style="display:none;">
/option>
;
The code is as follows:
Copy the code
The code is as follows:
The premise is to introduce the jquery.js file first
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