jQuery drop-down list secondary linkage plug-in sharing_jquery

jQuery secondary linkage plug-in: jQuery.selected
A page can reference multiple linkage effects. How to use:
Configure js:

Copy code The code is as follows:

var defaults = {
NextSelId: '#Select2',
SelTextId: '#Text1',
Separator: '-- ',
SelStrSet: [
{ name: 'Please select', subname: 'Please select'},
{ name: '★Gao Qiben★', subname: 'Computer Science and Technology|Chinese Language and literature' },
{ name: '★Gaoqizhuan★', subname: 'Chinese education|Secretarial|Preschool education|Tourism management|Legal affairs|Economic management|Computerized accounting|E-commerce|Computer information management |Software Engineering|Mechatronics|Fine Chemical Production Technology|Mechanical Manufacturing Design and Automation|Broadcasting and Hosting|Art Design|Calligraphy Direction Art Design' },
{ name: '★College to Bachelor's Degree★', subname: 'Thought Political Education|Chinese Language and Literature|English|Mathematics and Applied Mathematics|Electronic Information Engineering|Computer Science and Technology|Accounting|Public Utilities Management|Tourism Management|Physical Education|Musicology|Art Design|Calligraphy Direction Art Design'}]
}
var defaults2 = {
NextSelId: '#Select4',
SelTextId: '#Text2',
Separator: '★',
SelStrSet: [
{ name : 'Please select', subname: 'Please select'},
{ name: 'Beijing', subname: 'Beijing1|Beijing2' },
{ name: 'Shanghai', subname: 'Shanghai1 |Shanghai 2|Shanghai 3|Shanghai 4' },
{ name: 'Tianjin', subname: 'Tianjin'}]
}

Configuration instructions:
NextSelId: ID of the drop-down list that needs to be loaded in conjunction
SelTextId: ID of the text box that displays the selection option
Separator: Split strings for first-level and second-level menus
SelStrSet: Configure drop-down options
[{ name: ' Please select', subname: 'Please select'}]
Name: first-level drop-down option; subname: second-level drop-down option, separate multiple with "|";

html page:

Copy code The code is as follows:

< /select>

If you have any good suggestions, please leave a comment!

Complete JS download address