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How to realize the effect of two-level linkage with jquery

2025-04-01 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly introduces "jquery how to achieve secondary linkage effect". In daily operation, I believe many people have doubts about how jquery achieves secondary linkage effect. Xiaobian consulted all kinds of materials and sorted out simple and easy operation methods. I hope to help you answer the doubts about "jquery how to achieve secondary linkage effect"! Next, please follow the small series to learn together!

The specific code is as follows

secondary linkage $(document).ready(function(){ $("#province").change(function(){ $("#province option").each(function(i,o){ if($(this).attr("selected")) { $(".city").hide(); $(".city").eq(i).show(); } }); }); $("#province").change(); }); ----Please select province---- Beijing Shanghai Jiangsu ----Please select a city---- Dongcheng Xicheng chongwen Xuanwu Chaoyang Huangpu luwan Xuhui Changning Jing 'an Nanjing Zhenjiang Suzhou Nantong Yangzhou at this point, about "jquery how to achieve secondary linkage effect" learning is over, I hope to solve everyone's doubts. Theory and practice can better match to help you learn, go and try it! If you want to continue learning more relevant knowledge, please continue to pay attention to the website, Xiaobian will continue to strive to bring more practical articles for everyone!

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