1.动态添加一行,和删除当前行
<script> 
var count=0;
 function ff()
 {
 var txt1=document.getElementById("Text1");
 var table1=document.getElementById("table1");
 rowNo=table1.rows.length;
 Tr=table1.insertRow(rowNo);
 Tr.id="tr"+count;
 Td=Tr.insertCell(0);
 Td.id="td"+count;
 Td.innerText=txt1.value;
 Td2=Tr.insertCell(1);
 Td2.innerHTML+='<input οnclick="del(this)" type="button" value="删除"/>'
 count +=1;
 
 }
 function del(btn)
 {
 var tr=btn.parentNode.parentNode;
 var tb=tr.parentNode;
 tb.removeChild(tr);
 }
 
  </script>
 </HEAD>
 <body MS_POSITIONING="GridLayout">
  <form id="Form1" method="post" runat="server">
   <input id="Text1" runat="server" type="text" NAME="Text1">
   <table id="table1" border="1" bordercolor="red">
   </table>
   <input id="Button1" type="button" οnclick="ff()">
  </form>
 </body>
</HTML>

2。表格斜线
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>

<script Language="javascript">
function a(x,y,color)
{document.write("<img border='0' style='position: absolute; left: "+(x+20)+"; top: "+(y+20)+";background-color: "+color+"' src='px.gif' width=1 height=1>")}
</script>

<body leftmargin=20 topmargin=20>
<TABLE border=0 bgcolor="000000" cellspacing="1" width=400>
<TR bgcolor="FFFFFF">
    <TD id="td1"> </TD>
    <TD>张三</TD>
    <TD>李四</TD>
    <TD>王五</TD>
</TR>
<TR bgcolor="FFFFFF">
    <TD>数学</TD>
    <TD>55</TD>
    <TD>66</TD>
    <TD>77</TD>
</TR>
<TR bgcolor="FFFFFF">
    <TD>英语</TD>
    <TD>99</TD>
    <TD>68</TD>
    <TD>71</TD>
</TR>
<TR bgcolor="FFFFFF">
    <TD>语文</TD>
    <TD>33</TD>
    <TD>44</TD>
    <TD>55</TD>
</TR>
</TABLE>
<script>
function line(x1,y1,x2,y2,color)
{
    var tmp
    if(x1>=x2)
    {
        tmp=x1;
        x1=x2;
        x2=tmp;
        tmp=y1;
        y1=y2;
        y2=tmp;
    }
    for(var i=x1;i<=x2;i++)
    {
        x = i;
        y = (y2 - y1) / (x2 - x1) * (x - x1) + y1;
        a(x,y,color);
    }
}
//line(1,1,100,100,"000000");
line(td1.offsetLeft,td1.offsetTop,td1.offsetLeft+td1.offsetWidth,td1.offsetTop+td1.offsetHeight,'#000000')
</script>
</BODY>
</HTML>

3。可拖动的Table
<SCRIPT LANGUAGE="JavaScript">
<!--
var currentMoveObj = null;        //当前拖动对象
var relLeft;        //鼠标按下位置相对对象位置
var relTop;
var zindex=-1;//控制被拖动对象的z-index值
function f_mdown(obj)
{
        currentMoveObj = obj;                //当对象被按下时,记录该对象
        currentMoveObj.style.position = "absolute";
        relLeft = event.x - currentMoveObj.style.pixelLeft;
        relTop = event.y - currentMoveObj.style.pixelTop;
        zindex=currentMoveObj.style.zIndex;//记录原z-index值
        currentMoveObj.style.zIndex=10000;
}
window.document.onmouseup = function()
{      currentMoveObj.style.zIndex=zindex;//恢复
        zindex=-1;

currentMoveObj = null;        //当鼠标释放时同时释放拖动对象
       }
function f_move(obj)
{
        if(currentMoveObj != null)
        {
                currentMoveObj.style.pixelLeft=event.x-relLeft;
                currentMoveObj.style.pixelTop=event.y-relTop;
        }
}

//-->
</SCRIPT>
<BODY>
<TABLE width="100" border=1 onselectstart="return false" style="position:absolute;left:50;top:50" οnmοusedοwn="f_mdown(this)" οnmοusemοve="f_move(this)">
<TR>
        <TD bgcolor="#CCCCCC" align="center" style="cursor:move">title1</TD>
</TR>
<TR>
        <TD align="center" height="60">content</TD>
</TR>
</TABLE>
<TABLE width="100" border=1 onselectstart="return false" style="position:absolute;left:350;top:250" οnmοusedοwn="f_mdown(this)" οnmοusemοve="f_move(this)">
<TR>
        <TD bgcolor="#CCCCCC" align="center" style="cursor:move">title2</TD>
</TR>
<TR>
        <TD align="center" height="60">content</TD>
</TR>
</TABLE>
</BODY>
2.解析XML 成Table
<XML ID="oXmlData">
<tab>
<row>
<col name="Col1"/>
<col name="Col2"/>
<col name="Col3"/>
</row>
<row>
<col name="Col4"/>
<col name="Col5"/>
<col name="Col6"/>
</row>
<row>
<col name="Col7"/>
<col name="Col8"/>
<col name="Col9"/>
</row>
</tab>
</XML>
<input type="button" value="生成XML表格" onClick="createXmlTable()">
<div id="oDiv_createXmlTable"></div>
<script language="JavaScript">
function createXmlTable(){
var HTML='';
var row=oXmlData.XMLDocument.getElementsByTagName('row');
var col=oXmlData.XMLDocument.getElementsByTagName('col');
HTML+='<table border><tr>';
for(i=1;i<col.length+1;i++){
HTML+='<td>'+col[i-1].getAttribute('name')+'</td>';
if(i%row.length==0 && i!=col.length) HTML+='</tr><tr>';
}
HTML+='</tr></table>';
oDiv_createXmlTable.innerHTML=HTML;
}
</script>
4.可拖动的列
<style>
.tdLine {
 float:right;
 width:6px;
 cursor:w-resize;
 height:100%;
 background:red;
}
</style>
<body>
<table border="1">
<tr>
<td width="120"><div class="tdLine" οnmοusedοwn="run(this)"></div></td>
<td width="120"><div class="tdLine" οnmοusedοwn="run(this)"></div></td>
<td width="120"><div class="tdLine" οnmοusedοwn="run(this)"></div></td>
</tr>
<tr>
<td>1</td>
<td>2</td>
<td>3</td>
</tr>
</table>
<script>
function run(obj){
 var _sx = event.x;
 document.onmouseup = function(){
  this.onmousemove = null;
 }
 document.onmousemove = function(){
  var _xx = event.x - _sx;;
  obj.parentNode.width = obj.parentNode.width * 1 + _xx;
  _sx = event.x;
  window.status = "x = " + _sx;
 }
}
</script>

6。javascript setTimeout 和 setInterval的区别

setTimeout (表达式,延时时间)
setInterval(表达式,交互时间)
延时时间/交互时间是以豪秒为单位的(1000ms=1s)

setTimeout  在执行时,是在载入后延迟指定时间后,去执行一次表达式,仅执行一次
setInterval 在执行时,它从载入后,每隔指定的时间就执行一次表达式

set Timeout 也可以实现象setInterval一样的功能
set Timeout:
<script language="javascript">
var i;
i=0;
function reloop()
{
i=i+1;
alert(String(i));
setTimeout("reloop()",1000);
}
reloop();
</script>

setInterval:
<script language="javascript">
var i;
i=0;
function reloop()
{
i=i+1;
alert(String(i));
}
setInterval("reloop()",1000);
</script>

7.取得鼠标所在位置的对象
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> 取得鼠标所在位置的对象 </TITLE>
<META NAME="Author" CONTENT="宝玉 [url]http://www.nwpubbs.net[/url]">
</HEAD>
<script language="javascript">
    <!--
 function fnGetTable( oEl )
    {
  try{
   while( null != oEl && oEl.tagName!="TABLE" )
   {
    oEl = oEl.parentElement;
   }
   return oEl;
  }
  catch(e)
  {
   return null;
  }
    }
 function pos()
 {
  try{
  oElement = document.elementFromPoint(event.x,event.y);
  oElement = fnGetTable(oElement);
  if(oElement.tagName=="TABLE")
   show.innerText=oElement.id;
  }
  catch(e)
  {}
    }
 // -->
</script>
<BODY οnmοusemοve="pos()">
<table border="1" cellpadding="" cellspacing="" width="" id="table1">
<tr>
 <td>table1</td>
</tr>
</table><br /><br />
<table border="1" cellpadding="" cellspacing="" width="" id="table2">
<tr>
 <td>table2</td>
</tr>
</table><br /><br />
<table border="1" cellpadding="" cellspacing="" width="" id="table3">
<tr>
 <td>table3</td>
</tr>
</table><br /><br />
<table border="1" cellpadding="" cellspacing="" width="" id="table4">
<tr>
 <td>table4</td>
</tr>
</table><br /><br />
<table border="1" cellpadding="" cellspacing="" width="" id="table5">
<tr>
 <td>table5</td>
</tr>
</table><br /><br />
<table border="1" cellpadding="" cellspacing="" width="" id="table6">
<tr>
 <td>table6</td>
</tr>
</table><br /><br />
鼠标当前在:<span id="show"></span>
</BODY>
</HTML>

9。精典的拖动效果

<html>
<head>
<title>_xWin</title>
<script language=JScript>
<!--
//可以打包为js文件;
var x0=0,y0=0,x1=0,y1=0;
var offx=6,offy=6;
var moveable=false;
var hover='orange',normal='slategray';//color;
var index=10000;//z-index;
var xx;
//开始拖动;
function startDrag(obj)
{
        if(event.button==1)
        {
                //锁定标题栏;
                obj.setCapture();
                //定义对象;
                var win = obj.parentNode;
                var sha = win.nextSibling;
                //记录鼠标和层位置;
                x0 = event.clientX;
                y0 = event.clientY;
                x1 = parseInt(win.style.left);
                y1 = parseInt(win.style.top);
                //记录颜色;
                normal = obj.style.backgroundColor;
                //改变风格;
                obj.style.backgroundColor = hover;
                win.style.borderColor = hover;
                obj.nextSibling.style.color = hover;
                sha.style.left = x1 + offx;
                sha.style.top  = y1 + offy;
                moveable = true;
        }
}
//拖动;
function drag(obj)
{
        if(moveable)
        {
                var win = obj.parentNode;
                var sha = win.nextSibling;
                win.style.left = x1 + event.clientX - x0;
                                sha.style.left = parseInt(win.style.left) + offx;
                                if ((y1 + event.clientY - y0)>0 && (y1 + event.clientY - y0)<600){
                win.style.top  = y1 + event.clientY - y0;
                sha.style.top  = parseInt(win.style.top) + offy;
                }
        }
}
//停止拖动;
function stopDrag(obj)
{
        if(moveable)
        {
                var win = obj.parentNode;
                var sha = win.nextSibling;
                var msg = obj.nextSibling;
                win.style.borderColor     = normal;
                obj.style.backgroundColor = normal;
                msg.style.color           = normal;
                sha.style.left = obj.parentNode.style.left;
                sha.style.top  = obj.parentNode.style.top;
                obj.releaseCapture();
                moveable = false;
        }
}
//获得焦点;
function getFocus(obj)
{
        if(obj.style.zIndex!=index)
        {
                index = index + 2;
                var idx = index;
                obj.style.zIndex=idx;
                obj.nextSibling.style.zIndex=idx-1;
        }
}
//最小化;
function min(obj)
{
        var win = obj.parentNode.parentNode;
        var sha = win.nextSibling;
        var tit = obj.parentNode;
        var msg = tit.nextSibling;
        var flg = msg.style.display=="none";
        if(flg)
        {
                win.style.height  = parseInt(msg.style.height) + parseInt(tit.style.height) + 2*2;
                sha.style.height  = win.style.height;
                msg.style.display = "block";
                obj.innerHTML = "0";
        }
        else
        {
                win.style.height  = parseInt(tit.style.height) + 2*2;
                sha.style.height  = win.style.height;
                obj.innerHTML = "2";
                msg.style.display = "none";
        }
}
//关闭;
function cls(obj)
{
        var win = obj.parentNode.parentNode.parentNode;
        //var sha = win.nextSibling;
        win.style.visibility = "hidden";
        //sha.style.visibility = "hidden";
}
//显示/隐藏;
function ShowHide()
{
        if (xx!=null)
                        if (xx.style.visibility == "hidden")
                                xx.style.visibility = "visible";
                        else if (xx.style.visibility == "visible")
                                xx.style.visibility = "hidden";
}
//创建一个对象;
function xWin(id,w,h,l,t,tit,msg)
{
        index = index+2;
        this.id      = id;
        this.width   = w;
        this.height  = h;
        this.left    = l;
        this.top     = t;
        this.zIndex  = index;
        this.title   = tit;
        this.message = msg;
        this.obj     = null;
        this.bulid   = bulid;
        this.bulid();
        xx = document.getElementById('allx');
        xx.style.visibility = "visible";

}
//初始化;
function bulid()
{
        var str = ""
                + "<div id='allx'><div id='xMsg'" + this.id + " "
                + "style='"
                + "z-index:" + this.zIndex + ";"
                + "width:" + this.width + ";"
                + "height:" + this.height + ";"
                + "left:" + this.left + ";"
                + "top:" + this.top + ";"
                + "background-color:" + normal + ";"
                + "color:" + normal + ";"
                + "font-size:11px;"
                + "font-family:Verdana;"
                + "position:absolute;"
                + "cursor:default;"
                + "border:2px solid " + normal + ";"
                + "' "
                + "οnmοusedοwn='getFocus(this)'>"
                        + "<div "
                        + "style='"
                        + "background-color:" + normal + ";"
                        + "width:" + (this.width-2*2) + ";"
                        + "height:20;"
                        + "color:white;"
                        + "' "
                        + "οnmοusedοwn='startDrag(this)' "
                        + "οnmοuseup='stopDrag(this)' "
                        + "οnmοusemοve='drag(this)' "
                        + "οndblclick='min(this.childNodes[1])'"
                        + ">"
                                + "<span style='width:" + (this.width-2*14-4) + ";padding-left:3px;'>" + this.title + "</span>"
                                + "<span style='width:14;border-width:0px;color:white;font-family:webdings;' οnclick='min(this)'>0</span>"
                                + "<span style='width:14;border-width:0px;color:white;font-family:webdings;' οnclick='cls(this)'>r</span>"
                        + "</div>"
                                + "<div style='"
                                + "width:100%;"
                                + "height:" + (this.height-20-4) + ";"
                                + "background-color:white;"
                                + "line-height:14px;"
                                + "word-break:break-all;"
                                + "padding:3px;"
                                + "'>" + this.message + "</div>"
                + "</div>"
                + "<div id='xshadow' style='"
                + "width:" + this.width + ";"
                + "height:" + this.height + ";"
                + "top:" + this.top + ";"
                + "left:" + this.left + ";"
                + "z-index:" + (this.zIndex-1) + ";"
                + "position:absolute;"
                + "background-color:black;"
                + "filter:alpha(opacity=40);"
                + "'>by wildwind</div></div>";
        document.getElementById('msgbox').innerHTML = str;
               
               
}
//-->
</script>

<script language='JScript'>
<!--
function initialize()
{
        var a = new xWin("1",460,400,200,200,"是要这个效果吗?","<br>这里有几点需要注意的地方:<br><br>1、xx这个变量是你自己添加的吧?想法是对的,但是放错了地方,你只在cls()这个方法里面给xx赋值,这就造成了这个对象在窗口第一次出现时由于没有被赋值(关闭按钮还没有被点击),导致无法获取,所以应该把对xx赋值这个工作放在窗口第一次初始化完成的地方,也就是xWin函数中,this.build语句之后。当然也可能你已经试过放在这里,但是发现根本不起作用,这就涉及到下一个要注意的问题了。<br><br>2、Build函数的最后,你是通过insertAdjacentHTML()方法把生成的代码放在了网页全部html标签之后,因此生成的代码中的对象在页面中使用getElementById()方法根本访问不到,所以才会不起作用,怎么改呢?方法很多,我是这样处理的,在页面body的关闭标签之前插入一个div,然后用innerHTML()方法写入。<br><br>3、对于代码,我进行了一点修正,因为发现你的cls()方法当中把xWin和他的阴影一并隐藏了,但是在ShowHide()方法中却只把xWin显示出来,这就导致关闭(实质上是hidden)后再打开的窗体已经没有了阴影,当然这也不算什么大问题,我在xWin和他的阴影外面套了一个allx的div,再把这个对象赋给xx,然后就可以一并隐藏一并显示了,更方便一些。<br><br>4、主要就是这几个地方,这个效果还是很不错的,不过程序结构还可以再优化一些,代码比较多,我也没有细看,稍微改了一下,可能不是最好的方法。大家继续提建议啊。希望对楼主能有帮助。");

}
window.onload = initialize;
//-->
</script>
</head>
<body onselectstart='return false' οncοntextmenu='return false' scroll='no'>

<DIV class=textSheet
style="BORDER-RIGHT: #3E8529 1px solid; BORDER-TOP: #639517 1px solid; BORDER-LEFT: #3E8529 1px solid; BORDER-BOTTOM: #3E8529 1px solid">

<table width="242" height="160" border="1" ID="Table2">

<td align="center" valign="middle" style="cursor:hand;font-size:32px;color: #808080"  onMouseMove="bgColor='#ffff99'" οnmοuseοut="bgColor='#FFFFFF'" οnclick="ShowHide()">显示隐藏</td>
</table>
</DIV>
<div id="msgbox"></div>
</body>
</html>

suiqirui 2007-06-03 22:17 发表评论

文章来源:http://www.cnblogs.com/suiqirui19872005/archive/2007/06/03/769663.html

转载于:https://www.cnblogs.com/QiRuiNet-helloworld/archive/2007/06/17/786340.html

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