JavdScript代码是什么，怎么样来编写呢 javsscript设计代码
java script \u4ee3\u7801\u91cc\u9762\u6709\u4e2a var \u4e0d\u77e5\u9053\u662f\u4ec0\u4e48\u80fd\u7ed9\u89e3\u91ca\u4e00\u4e0b\u4e48 \u6211\u9700\u8981\u7406\u89e3var\u662f\u53d8\u91cf\u7684\u7c7b\u578b js\u4e0d\u50cfjava\u6709int \u3001Strnig \u7b49\u7c7b\u578b \u5728js\u91ccvar \u53ef\u4ee5\u662f\u5b9a\u4e49int\u3001String\u7b49\u5f88\u591a\u7c7b\u578b\u7684\u53d8\u91cf.........
function winOpen(){ var winID = window.open("baidu.com","",'width=400,height=300');//\u6253\u5f00\u5fc3\u7a97\u53e3 window.setInterval(function(){//\u7136\u540e\u9694\u4e09\u79d2\u8c03\u7528\u5173\u95ed\u65b0\u7a97\u53e3 closeWindow(winID); }, 3000); } function closeWindow(winID){//\u5173\u95ed\u65b0\u7a97\u53e3\u65b9\u6cd5 winID.close(); } window.setInterval(winOpen, 5000);//\u6bcf\u4e2a5\u79d2\u8c03\u7528\u6253\u5f00\u7a97\u53e3\u65b9\u6cd5
引用
<style type="text/css">
/* 数字按钮框样式 */
#imgTitle {FILTER:ALPHA(opacity=70);position:relative;left:0px;text-align:left;overflow: hidden;}
#imgTitle_up {left:0px;text-align: left; height:1px; width:inherit; }
#imgTitle_down {left:0px;text-align: right; width:inherit; }
/* 图片框样式 */
.imgClass {border: 1px solid #000;}
/* 图片文字框样式 */
#txtFrom {text-align: center;vertical-align: middle;}
/* 数字按钮样式 */
.button {text-decoration: none;padding: 2px 7px;background: #7B7B63;margin: 0px;font: bold 9px sans-serif; border-left:#fff 1px solid;}
a.button, a.button:link, a.button:visited {font-family: sans-serif;text-decoration: none;color:#FFFFFF;background-color: #000000;}
a.button:hover {font-family: sans-serif;text-decoration: none;color:#fff;background:#fff; }
.buttonDiv {background: #000000;height: 1px;width: 21px;float: left;text-align: center; vertical-align: middle;}
/*渐变*/
.trans { width:90px; background-color:#000;filter : progid:DXImageTransform.Microsoft.Alpha(startX=0, startY=0, finishX=100, finishY=100,style=1,opacity=0,finishOpacity=40);}
</style>
<SCRIPT language=javascript type=text/javascript>
var imgWidth=295; //图片宽
var imgHeight=200; //图片高
var textFromHeight=2; //焦点字框高度 (单位为px)
var textStyle="f12"; //焦点字class style (不是连接class)
var textLinkStyle="p1"; //焦点字连接class style
var buttonLineOn="#f60"; //button下划线on的颜色
var buttonLineOff="#000"; //button下划线off的颜色
var TimeOut=3000; //每张图切换时间 (单位毫秒);
var imgUrl=new Array();
var imgLink=new Array();
var imgtext=new Array();
var imgAlt=new Array();
var adNum=0;
//焦点字框高度样式表 开始
document.write('<style type="text/css">');
document.write('#focuseFrom{width:'+(imgWidth+2)+';margin: 0px; padding:0px;height:'+(imgHeight+textFromHeight)+'px; overflow:hidden;}');
document.write('#txtFrom{height:'+textFromHeight+'px;line-height:'+textFromHeight+'px;width:'+imgWidth+'px;overflow:hidden;}');
document.write('#imgTitle{width:'+imgWidth+';top:-'+(textFromHeight+16)+'px;height:18px}');
document.write('</style>');
document.write('<div id="focuseFrom">');
//焦点字框高度样式表 结束
<%set rs = conn.execute("select top 3 add,addurl from seu_ad order by id desc")//读数据库,根据自己情况改
i=1
do while not rs.eof%>
imgUrl[<%=i%>]='<%=rs("add")%>';
imgtext[<%=i%>]='<A HREF="#"></A>';
imgLink[<%=i%>]='<%=rs("addurl")%>';
imgAlt[<%=i%>]='XX网站欢迎您的到来！';
<%rs.movenext
i=i+1
loop
rs.close%>
function changeimg(n)
{
adNum=n;
window.clearInterval(theTimer);
adNum=adNum-1;
nextAd();
}
function goUrl(){
window.open(imgLink[adNum],'_blank');
}
//NetScape开始
if (navigator.appName == "Netscape")
{
document.write('<style type="text/css">');
document.write('.buttonDiv{height:4px;width:21px;}');
document.write('</style>');
function nextAd(){
if(adNum<(imgUrl.length-1))adNum++;
else adNum=1;
theTimer=setTimeout("nextAd()", TimeOut);
document.images.imgInit.src=imgUrl[adNum];
document.images.imgInit.alt=imgAlt[adNum];
document.getElementById('focustext').innerHTML=imgtext[adNum];
document.getElementById('link'+adNum).style.background=buttonLineOn;
document.getElementById('imgLink').href=imgLink[adNum];
for (var i=1;i<=imgUrl.length;i++)
{
if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;}
}
}
document.write('<a id="imgLink" href="'+imgLink[1]+'" target=_blank class="linkwhite"><img src="'+imgUrl[1]+'" name="imgInit" width='+imgWidth+' height='+imgHeight+' border=1 alt="'+imgAlt[1]+'" class="imgClass"></a><div id="txtFrom"><span id="focustext" class="'+textStyle+'">'+imgtext[1]+'</span></div>')
document.write('<div id="imgTitle">');
document.write('<div id="imgTitle_down">');
//数字按钮代码开始
for(var i=1;i<imgUrl.length;i++){document.write('<a href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'">'+i+'</a>');}
//数字按钮代码结束
document.write('</div>');
document.write('</div>');
document.write('</div>');
nextAd();
}
//NetScape结束
//IE开始
else
{
var count=0;
for (i=1;i<imgUrl.length;i++) {
if( (imgUrl[i]!="") && (imgLink[i]!="")&&(imgtext[i]!="")&&(imgAlt[i]!="") ) {
count++;
} else {
break;
}
}
function playTran(){
if (document.all)
imgInit.filters.revealTrans.play();
}
var key=0;
function nextAd(){
if(adNum<count)adNum++ ;
else adNum=1;
if( key==0 ){
key=1;
} else if (document.all){
imgInit.filters.revealTrans.Transition=6;
imgInit.filters.revealTrans.apply();
playTran();
}
document.images.imgInit.src=imgUrl[adNum];
document.images.imgInit.alt=imgAlt[adNum];
document.getElementById('link'+adNum).style.background=buttonLineOn;
for (var i=1;i<=count;i++)
{
if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;}
}
focustext.innerHTML=imgtext[adNum];
theTimer=setTimeout("nextAd()", TimeOut);
}
document.write('<a target=_self href="javascript:goUrl()"><img style="FILTER: revealTrans(duration=1,transition=5);" src="javascript:nextAd()" width='+imgWidth+' height='+imgHeight+' border=0 vspace="0" name=imgInit class="imgClass"></a>');
document.write('<div id="txtFrom"><span id="focustext" class="'+textStyle+'"></span></div>');
document.write('<div id="imgTitle">');
document.write(' <div id="imgTitle_down"> <a class="trans"></a>');
//数字按钮代码开始
for(var i=1;i<imgUrl.length;i++){document.write('<a id="link'+i+'" href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'" onFocus="this.blur()">'+i+'</a>');}
//数字按钮代码结束
document.write('</div>');
document.write('</div>');
document.write('</div>');
}
//IE结束
</SCRIPT>
参考网站:http://www.oldjun.com/blog/article.asp?id=98
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