<HTML>
<HEAD>
<TITLE>查找列表字符串</TITLE>
</HEAD><BODY>
<Select name="s1" multiple>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="D">D</option>
<option value="E">E</option>
<option value="F">F</option>
<option value="G">G</option>
<option value="H">H</option>
......
</Select> <Input Type=Text onchange="document.all.s1.value=this.value;"><Input Type=Button Value=查找>
</BODY>
</HTML>
<HEAD>
<TITLE>查找列表字符串</TITLE>
</HEAD><BODY>
<Select name="s1" multiple>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="D">D</option>
<option value="E">E</option>
<option value="F">F</option>
<option value="G">G</option>
<option value="H">H</option>
......
</Select> <Input Type=Text onchange="document.all.s1.value=this.value;"><Input Type=Button Value=查找>
</BODY>
</HTML>
onkeyup="document.all.s1.value=this.value;"
<HTML>
<HEAD>
<TITLE>²éÕÒÁбí×Ö·û´®</TITLE>
</HEAD><BODY>
<Select name="s1" multiple>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="D">D</option>
<option value="E">E</option>
<option value="F">F</option>
<option value="G">G</option>
<option value="H">H</option>
</Select> <Input Type=Text name="text1"><Input Type=Button Value=²éÕÒ onclick="document.getElementById('s1').value=document.getElementById('text1').value">
</BODY>
</HTML>
这是个大概的意思
如果要进行模糊匹配还要改进算法.自己写写试试