//移動(dòng)的圖層，拖動(dòng)
1.<span style=‘position:absolute;width:200;height:200;background:red‘ onmousedown=MouseDown(
this) onmousemove=MouseMove() onmouseup=MouseUp()>meizz</span>
<script language=javascript>
var Obj;
function MouseDown(obj)
{
Obj=obj;
Obj.setCapture();
Obj.l=event.x-Obj.style.pixelLeft;
Obj.t=event.y-Obj.style.pixelTop;
}
function MouseMove()
{
if(Obj!=
null)
{
Obj.style.left = event.x-Obj.l;
Obj.style.top = event.y-Obj.t;
}
}
function MouseUp()
{
if(Obj!=
null)
{
Obj.releaseCapture();
Obj=
null;
}
}
</script>
2.
<div id=
"myDiv" src=
"logo.gif" ondrag=
"doDrag();" onmouseover=
"this.style.cursor=‘hand‘" style=
"position:absolute;left=100;top=100;" onmousedown=
"doMouseDown();">
<a href=
"#" onclick=
"return false"><h1>wlecome</h1></a>
</div>
<script language=
"JavaScript" type=
"text/javascript">
var orgMouseX;
var orgMouseY;
var orgObjX;
var orgObjY;
function doDrag()
{
var myObject=document.all.myDiv;
var x=event.clientX;
var y=event.clientY;
myObject.style.left=x-(orgMouseX-orgObjX);
myObject.style.top=y-(orgMouseY-orgObjY);
}
function doMouseDown()
{
orgMouseX=event.clientX;
orgMouseY=event.clientY;
orgObjX=parseInt(document.all.myDiv.style.left);
orgObjY=parseInt(document.all.myDiv.style.top);
}
</script>
//文檔狀態(tài)改變
<iframe src="a.html" id="f" name="f" scrolling="no" frameborder=0 marginwidth=0 marginheight=0></iframe>
<script>
var doc=window.frames["f"].document;
function s(){
if (doc.readyState=="complete"){
document.all.f.style.height=doc.body.scrollHeight
document.all.f.style.width=doc.body.scrollWidth
}
}
doc.onreadystatechange=s
</script>
//刷新后不變的文本框
//訪(fǎng)問(wèn)剪貼板
//操作COOKIE
function SetCookie(sName, sValue)
{
document.cookie = sName + "=" + escape(sValue) + "; ";
}
function GetCookie(sName)
{
var aCookie = document.cookie.split("; ");
for (var i=0; i < aCookie.length; i++)
{
var aCrumb = aCookie[i].split("=");
if (sName == aCrumb[0])
return unescape(aCrumb[1]);
}
}
function DelCookie(sName)
{
document.cookie = sName + "=" + escape(sValue) + "; expires=Fri, 31 Dec 1999 23:59:59 GMT;";
}
//setTimeout增加參數
<script>
var _st = window.setTimeout;
window.setTimeout = function(fRef, mDelay) {
if(typeof fRef == ‘function‘){
var argu = Array.prototype.slice.call(arguments,2);
var f = (function(){ fRef.apply(null, argu); });
return _st(f, mDelay);
}
return _st(fRef,mDelay);
}
function test(x){
alert(x);
}
window.setTimeout(test,1000,‘fason‘);
</script>
//自定義的apply,call
Function.prototype.apply =
function (obj, argu) {
if (obj) obj.constructor.prototype._caller =
this;
var argus =
new Array();
for (
var i=0;i<argu.length;i++)
argus[i] =
"argu[" + i +
"]";
var r;
eval(
"r = " + (obj ? (
"obj._caller(" + argus.join(
",") +
");") : (
"this(" + argus.join(
",") +
");")));
return r;
};
Function.prototype.call =
function (obj) {
var argu =
new Array();
for (
var i=1;i<arguments.length;i++)
argu[i-1] = arguments[i];
return this.apply(obj, argu);
};
//下載文件
function DownURL(strRemoteURL,strLocalURL)
{
try
{
var xmlHTTP=new ActiveXObject("Microsoft.XMLHTTP");
xmlHTTP.open("Get",strRemoteURL,false);
xmlHTTP.send();
var adodbStream=new ActiveXObject("ADODB.Stream");
adodbStream.Type=1;//1=adTypeBinary
adodbStream.Open();
adodbStream.write(xmlHTTP.responseBody);
adodbStream.SaveToFile(strLocalURL,2);
adodbStream.Close();
adodbStream=null;
xmlHTTP=null;
}
catch(e)
{
window.confirm("下載URL出錯!");
}
//window.confirm("下載完成.");
}
//檢驗連接是否有效
//組件是否安裝
isComponentInstalled("{6B053A4B-A7EC-4D3D-4567-B8FF8A1A5739}", "componentID"))
//檢查網(wǎng)頁(yè)是否存在
function CheckURL(URL)
{
var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
xmlhttp.Open("GET",URL, false);
try
{
xmlhttp.Send();
var result = xmlhttp.status;
}
catch(e) {return(false); }
if(result==200)
{
return true;
}
xmlhttp = null;
return false;
}
//連接數據庫
<script language="javascript">
//用 JavaScript 寫(xiě)服務(wù)器端連接數據庫的代碼示例
var conn = new ActiveXObject("ADODB.Connection");
conn.Open("Provider=SQLOLEDB.1; Data Source=localhost; User ID=sa; "
+"Password=; Initial Catalog=pubs");
var rs = new ActiveXObject("ADODB.Recordset");
var sql="select * from authors";
rs.open(sql, conn);
shtml = "<table width=‘100%‘ border=1>";
shtml +="<tr bgcolor=‘#f4f4f4‘><td>au_id</td><td>au_lname</td><td>au_fname</td><td>phone</td><td>address</td><td> city</td><td>state</td><td>zip</td></tr>";
while(!rs.EOF)
{
shtml += "<tr><td>" + rs("au_id") + "</td><td>" + rs("au_lname") + "</td><td>" + rs("au_fname") + "</td><td>" + rs("phone") + "</td><td>" + rs("address") + "</td><td>" + rs("city") + "</td><td>" + rs("state") + "</td><td>" + rs("zip") + "</td></tr>";
rs.moveNext;
}
shtml += "</table>";
document.write(shtml);
rs.close();
rs = null;
conn.close();
conn = null;
</script>
//使用數據島
<html>
<body>
srno：<input type=text datasrc=#xmldate DataFLD=srno size="76"><BR>
times：<input type=text datasrc=#xmldate DataFLD=times size="76"><BR>
<input id="first" TYPE=button value="<< 第一條記錄" onclick="xmldate.recordset.moveFirst()">
<input id="prev" TYPE=button value="<上一條記錄" onclick="xmldate.recordset.movePrevious()">
<input id="next" TYPE=button value="下一條記錄>" onclick="xmldate.recordset.moveNext()">
<input id="last" TYPE=button value="最后一條記錄>>" onclick="xmldate.recordset.moveLast()">
<input id="Add" TYPE=button value="添加新記錄" onclick="xmldate.recordset.addNew()">
<XML ID="xmldate">
<infolist>
<info ><srno>20041025-01</srno><times>null</times></info>
<info ><srno>20041101-09</srno><times>2004年10月1日2點(diǎn)22分0秒</times></info>
</infolist>
</XML>
</body>
</html>
