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jquery+css实现下拉列表功能

2019-11-19 15:34:28
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废话不多说了,直接给大家贴代码了,具体代码如下所述:

<!DOCTYPE html><html><head><meta charset="UTF-8"><title>fruit</title><style type="text/css">.hide { display: none;}div { float: left; width: 100%;}.selector-containter { margin-bottom: 10px;}.selector { width: 200px; background: #FFF; border: 1px solid #DDD;}.selector-hint { width: 178px; border: 1px solid #DDD;}.selector-expand { width: 8px; border: 1px solid #DDD;}.selector-collapse { width: 8px; border: 1px solid #DDD;}</style><script src="jquery-3.2.1.min.js"></script><script>$(document).ready(function() {  //使用on方法,采用事件委派机制,selector-option-container中的内容为后续动态追加  $('.selector').on('click', '.selector-expand', function() {    $(this).parent().children('.selector-option-container').children().remove();    $(this).parent().children('.selector-option-container').append('<div><input type="checkbox" name="fruitGroup" class="selector-checkbox"/></div><div class="selector-option">apricot</div>');    $(this).parent().children('.selector-option-container').append('<div><input type="checkbox" name="fruitGroup" class="selector-checkbox"/></div><div class="selector-option">banana</div>');    $(this).nextAll('.selector-option-container').removeClass('hide');  });  $('.selector').on('click', '.selector-collapse', function() {    $(this).nextAll('.selector-option-container').addClass('hide');  });  $('.selector-t1').on('click', '.selector-option', function() {    $(this).parent().parent().children('.selector-hint').text($(this).text());    $(this).parent().addClass('hide');  });  $('.selector-t1').on('click', '.selector-checkbox', function() {    $(this).parent().parent().parent().children('.selector-hint').text($(this).parent().next().text());    //采用prop方法,对于值为布尔型的属性赋值    $(this).prop('checked', false);    $(this).parent().parent().addClass('hide');  });});</script></head><body><div id="titan" class="selector-containter"><div id="fruit"> <div class="selector">  <div class="selector-hint">select fruit</div>  <div class="selector-expand">+</div>  <div class="selector-collapse">-</div>  <div class="selector-option-container">  </div> </div></div></div><div id="athena" class="selector-t1 selector-containter"><div id="fruit"> <div class="selector">  <div class="selector-hint">select fruit</div>  <div class="selector-expand">+</div>  <div class="selector-collapse">-</div>  <div class="selector-option-container">  </div> </div></div></div></body></html>

总结

以上所述是小编给大家介绍的jquery+css实现下拉列表功能,希望对大家有所帮助,如果大家有任何疑问欢迎给我留言,小编会及时回复大家的!

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