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javascript实现模仿IE自动完成功能代码

javascript实现仿照IE自动完成功能代码

仿照IE自动完成功能,读取输入框存取记录

// 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= l-1) ? _c=0 : _c ++;

_o.childNodes[_c].className="mouseover";

}

if( e==38 && _s )

{

_o.childNodes[_c].className="mouseout";

_c--0 )

{

var arrMsg=msg.split(",");

for(var i=0; i ? 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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//bind event to object.

div.onmouseover = function(){_i.domouseover(this)};

div.onmouseout = function(){_i.domouseout(this)};

div.onclick = function(){_i.doclick(msg)};

var re = new RegExp("(" + _v + ")","i");

div.style.lineHeight="140%";

div.className = "mouseout";

if (_v) div.innerHTML = msg.replace(re , "$1");

div.style.fontFamily = "verdana";

_o.appendChild(div);

}};

jsAuto.prototype.display=function() { with(this)

{

if(_f&&_v!="")

{

_o.style.left = _r.offsetLeft;

_o.style.width = _r.offsetWidth;

_o.style.top = _r.offsetTop + _r.offsetHeight;

_o.style.visibility = "visible";

}

else

{

_o.style.visibility="hidden";

}

}};

jsAuto.prototype.handleEvent=function(fValue,fID,event) { with (this)

{

var re;

_e = event;

var e = _e.keyCode ? _e.keyCode : _e.which;

_x = [];

_f = false;

_r = document.getElementById( fID );

_v = fValue;

_i = eval(_i);

re = new RegExp("^" + fValue + "", "i");

_o.innerHTML="";

for(var i=0; i))

{

_i.append(_msg);

_f = true;

}

}

_i ? _i.display() : alert("can not get instance");

if(_f)

{

if((e==38 || e==40 || e==13))

{

_i.directionKey();

}

else

{

_c=0;

_o.childNodes[_c].className = "mouseover";

_s=true;

}

}

}};

window.onerror=new Function("return true;");

function entok(){

var nw = document.form1.auto.value;

alert(nw);

}

//-->

Autocomplete Function

Power By Miracle, never-online

请随便输入一个字母看看 -_-

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