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//用户每输入一个字符,去发起请求,返回数据,显示在ul中
var data = ["aaa","bbb","ccc","ddd","eee","fff","ggg","hhh","jjj","kkk"];
for(var i = 0; i<data.length; i++) {
$("ul").append("<li>" + data[i] + "</li>")
}
然后点击li把li的值显示到input中 <select id="st"></select>
<script>
//ajax请求
var data = ["aaa","abb","abc","a1125","a454"];//后台返回的数据模糊查询a
var st = document.getElementById("st");
for(var i = 0; i<data.length; i++) {
st.options.add(new Option(data[i],data[i]));
}
</script>
其实用ul动态添加li更好一些