| javascript实现模仿IE自动完成功能代码 |
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发布时间：2008-06-15 发布人：
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javascript实现模仿IE自动完成功能代码
<HTML>
<HEAD>
<title>模仿IE自动完成功能，读取输入框存取记录</title>
<style>
body,div {
font-family:verdana;
line-height:100%;
font-size:9pt;
}
input {
width:300px;
}
h1 {
text-align:center;
font-size:2.2em;
}
#divf {
margin:10px;
font-size:0.8em;
text-align:center;
}
#divc {
border:1px solid #333333;
}
.des {
width:500px;
background-color:lightyellow;
border:1px solid #333;
padding:20px;
margin-top:20px;
}
.mouseover {
color:#ffffff;
background-color:highlight;
width:100%;
cursor:default;
}
.mouseout {
color:#000000;
width:100%;
background-color:#ffffff;
cursor:default;
}
</style>
<SCRIPT LANGUAGE="JavaScript">
<!--
// script by blueDestiny
// email : blueDestiny [at] 126 . com
// Object: jsAuto
// browser: ie, mf.
// example:
// step1 :
// create autocomplete container, return object and bind event to the object, and
///create a new jsAuto instance:
// <div id="divautocomplete"></div>
// var autocomplete = new jsAuto("autocomplete","divautocomplete")
// handle event:
// autocomplete.handleEvent(value, returnObjectID)
// <input id="rautocomplete" onkeyup="autocomplete.handleEvent(this.value,"ratocomplete",event)>
// step2 :
// add autocompete item:
// autocomplete.item(string)
// string must be a string var, you can split the string by ","
// autocomplete.item("blueDestiny,never-online,csdn,blueidea")
function jsAuto(instanceName,objID)
{
this._msg = [];
this._x = null;
this._o = document.getElementById( objID );
if (!this._o) return;
this._f = null;
this._i = instanceName;
this._r = null;
this._o.style.overflow = "auto";
this._c = 0;
this._s = false;
this._v = null;
this._o.style.visibility = "hidden";
this._o.style.position = "absolute";
this._o.style.zIndex = "9999"; this._o.style.height = "50";
return this;
};
jsAuto.prototype.directionKey=function() { with (this)
{
var e = _e.keyCode ? _e.keyCode : _e.which;
var l = _o.childNodes.length;
(_c>l-1 || _c<0) ? _s=false : "";
if( e==40 && _s )
{
_o.childNodes[_c].className="mouseout";
(_c >= l-1) ? _c=0 : _c ++;
_o.childNodes[_c].className="mouseover";
}
if( e==38 && _s )
{
_o.childNodes[_c].className="mouseout";
_c--<=0 ? _c = _o.childNodes.length-1 : "";
_o.childNodes[_c].className="mouseover";
}
if( e==13 )
{
if(_o.childNodes[_c] && _o.style.visibility=="visible")
{
_r.value = _x[_c];
_o.style.visibility = "hidden";
}
}
if( !_s )
{
_c = 0;
_o.childNodes[_c].className="mouseover";
_s = true;
}
}};
// mouseEvent.
jsAuto.prototype.domouseover=function(obj) { with (this)
{
_o.childNodes[_c].className = "mouseout";
_c = 0;
obj.tagName=="DIV" ? obj.className="mouseover" : obj.parentElement.className="mouseover";
}};
jsAuto.prototype.domouseout=function(obj)
{
obj.tagName=="DIV" ? obj.className="mouseout" : obj.parentElement.className="mouseout";
};
jsAuto.prototype.doclick=function(msg) { with (this)
{
if(_r)
{
_r.value = msg;
_o.style.visibility = "hidden";
}
else
{
alert("javascript autocomplete ERROR :nn can not get return object.");
return;
}
}};
// object method;
jsAuto.prototype.item=function(msg)
{
if( msg.indexOf(",")>0 )
{
var arrMsg=msg.split(",");
for(var i=0; i<arrMsg.length; i++)
{
arrMsg ? this._msg.push(arrMsg) : "";
}
}
else
{
this._msg.push(msg);
}
this._msg.sort();
};
jsAuto.prototype.append=function(msg) { with (this)
{
_i ? "" : _i = eval(_i);
_x.push(msg);
var div = document.createElement("DIV");
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