<script type="text/javascript"> var emps = new Array(); emps[‘人力资源部‘] = [‘王五‘,‘朱军‘,‘张三‘,‘李四‘]; emps[‘市场部‘] = [‘刘备‘, ‘诸葛亮‘, ‘关羽‘]; emps[‘研发部‘] = [‘李妮‘,‘李俊‘,‘王明‘,‘刘忻‘]; function initDep() { var depObj = document.getElementById("selDepartment"); for (var index in emps) { var option = document.createElement("option"); option.text = index; option.value = index; depObj.options.add(option); } } function fillEmps() { var empObj = document.getElementById("selEmployee"); empObj.options.length = 0; var currentDep = document.getElementById
("selDepartment").value; for (var index in emps[currentDep]) { var option = document.createElement("option"); option.text = emps[currentDep][index]; option.value = emps[currentDep][index]; empObj.options.add(option); } } </script>
<body onload="initDep(),fillEmps()"> <p>请选择姓名：</p> 部门：<select id="selDepartment" onchange="fillEmps()"></select> 姓名：<select id="selEmployee" ></select> </body>
原文：http://www.cnblogs.com/1805080266qq/p/3997315.html