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<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
  <select id="userType">
    <option value='' selected>请选择</option>
    <option value='1'>个人</option>
    <option value='2'>企业</option>
  </select>
    <select id="auditStates">
    <option value='' selected="selected">请选择</option>
    <option value='1'>工作信息</option>
    <option value='2'>基本信息</option>
    <option value='3'>联系信息</option>
  </select>
</body>
</html>
 
.no-display{
  display:none;
}
 
    $("#userType").change(function () {
        var that = this;
        var childOptions = $("#auditStates").get(0).options;
        $.each(childOptions, function (key, val) {
            if (key != 0) {
                (that.value == "2" && val.value != "2") ?$(val).addClass("no-display"):$(val).removeClass("no-display");
            }
        });
    });
Output

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public
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xcchcaptainpro
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