<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>autoomplete</title>
<style>
.hidden1
{
margin: 10px;
padding: 10px;
border: 2px solid #00CC99;
width: 200px;
border-radius: 5px;
}
</style>
</head>
<script>
function showlist()
{
if(!((/^\s*$/).test(edit1.value)))
{
document.getElementById("dropdown").style.display="block";
var tex=edit1.value;
var name = new Array("python","django framework","mongodb");
for(var i = 0;i< name.length;i++)
{
if(name[i].indexOf(tex) != -1)
{
add(name[i],name[i]);
} } } }
function add(Text,Value)
{
var opt = document.createElement("option");
listbox1.options.add(opt);
opt.text = Text;
opt.value = Value;
}
function selval(listval)
{
edit1.value = listval.value;
listval.style.display="none";
}
</script> <body>
<div >
<center>Autocomplete:<input type="text" id="edit1" name="edit1" onkeyup="showlist()"> </center>
</div>
<div id="dropdown" style="display:none" align="center" >
<select id="listbox1" size="3" name="listbox1" onclick="selval(this)" class="hidden1">
</select> </div> </body></html>
伙计们,我使用 javascript 创建了一个自动完成文本字段。在浏览器中,只要传递匹配的字符串,就会出现自动提示框,但是每当我按下退格键时,onkeyup 就没有触发并且无法获得我创建的自动提示。请建议一个我提前解决这个问题的方法!