JavaScript³£Ó÷½·¨×ܽᗗÀûÓýű¾·â×°
ÀûÓýű¾·â×°£¬·½±ãʵÏÖÍøÕ¾Ðü¸¡¹ã¸æ
ÏÂÃæÊÇJS½Å±¾(floatdiv.js)
/*======================================================================
¸¡¶¯¿éÖ§³Ö½Å±¾
DESIGN BY : Åí¹ú»Ô
DATE: 2004-02-26
SITE: http://kacarton.yeah.net/
BLOG: http://blog.csdn.net/nhconch
EMAIL: kacarton@sohu.com
ÎÄÕÂΪ×÷ÕßÔ´´£¬×ªÔØÇ°ÇëÏÈÓë±¾ÈËÁªÏµ£¬×ªÔØÇë×¢Ã÷ÎÄÕ³ö´¦¡¢±£Áô×÷ÕßÐÅÏ¢£¬Ð»Ð»Ö§³Ö£¡
======================================================================*/
var alLeft = 0, alCenter = 1, alRight = 2; //ˮƽ¶ÔÆë·½Ê½
var alTop = 0, alMiddle = 1, alBottom = 2; //´¹Ö±¶ÔÆë·½Ê½
var f = new Array();
var cnt = 0;
function floatDiv(objId, align, vAlign, x, y, smooth)
{
/*¸¡¶¯¿é¶ÔÏó
Êý¾Ý½á¹¹£º
objId£º ¶ÔÏóID
align£º ˮƽ¶ÔÆë·½Ê½£¬Ã¶¾ÙÐÍ
vAlign£º´¹Ö±¶ÔÆë·½Ê½£¬Ã¶¾ÙÐÍÄÚÈÝ
x, y£º xy×ù±ê£¬ÕûÐÍ
smooth£ºÆ½»¬Òƶ¯£¬²¼¶ûÐÍ
*/
this.objId = objId;
this.align = align;
this.vAlign = vAlign;
this.x = x;
this.y = y;
this.smooth = smooth;
}
function addDiv(objId, align, vAlign, x, y, smooth)
{ //Ìí¼Ó¸¡¶¯¿é
f[cnt++] = new floatDiv(objId, align, vAlign, x, y, smooth);
}
function floatMove()
{ //ÖØÐ¶¨Î»¸÷¿éλÖÃ
var objX, objY;
if (document.all)
{
var d = document.body;
//status = "scrollLeft:"+f[0].objId.style.pixelTop+"| offsetWidth:"+d.offsetWidth;
for (var i=0; i<f.length; i++)
{
switch (f[i].align)
{
case alLeft : objX = d.scrollLeft + f[i].x; break;
case alCenter: objX = d.scrollLeft + Math.ceil((d.offsetWidth - f[i].objId.offsetWidth)/2) + f[i].x; break;
case alRight : objX = d.scrollLeft + d.offsetWidth - f[i].x - f[i].objId.offsetWidth - 20; break; //¼õ¹ö¶¯Ìõ20
}
switch (f[i].vAlign)
{
case alTop : objY = d.scrollTop + f[i].y; break;
case alMiddle: objY = d.scrollTop + Math.ceil((d.offsetHeight - f[i].objId.offsetHeight)/2) + f[i].y; break;
case alBottom: objY = d.scrollTop + d.offsetHeight - f[i].y - f[i].objId.offsetHeight; break;
}
if (f[i].smooth) smoothMove(f[i].objId, objX, objY);
else
{
f
Ïà¹ØÎĵµ£º
Ò»¡£È¡±í¸ñ¶ÔÏó
var getTable= document.getElementById("tabHeTong");
¶þ¡£²åÈëÐÐ
var oTR = getTable.insertRow();//ÐÂÔöÒ»ÐÐ
Èý¡£Ä³ÐмÓÈëÁÐ
var oTDa = oTR.insertCell();//ÐÂÔöÒ»ÁÐ
var oTDb = oTR.insertCell();//ÐÂÔö¶þÁÐ
var oTDc = oTR.insertCell();//ÐÂÔöÈýÁÐ
ËÄ¡£É¾³ýÐУº
getTable. ......
¡¶Îò͸JavaScript¡·Ñ§Ï°±Ê¼Ç
ÔÎĵØÖ·£ºhttp://www.cnblogs.com/leadzen/archive/2008/02/25/1073404.html
ÕâÊÇÒ»±¾ºÜÐÎÏóÉú¶¯µÄÊ飬ʹÎÒÃÇ¿ÉÒÔ¸üÉîµØÁ˽âÁËJavaScript¡£
ÒýÑÔ
±à³ÌÊÀ½çÀïÖ»´æÔÚÁ½ÖÖ»ù±¾ÔªËØ£¬Ò»¸öÊÇÊý¾Ý£¬Ò»¸öÊÇ´úÂë¡£±à³ÌÊÀ½ç¾ÍÊÇÔÚÊý¾ÝºÍ´úÂëǧ˿ÍòÂÆµ ......
ÀàµÄ¶¨ÒåÓÐ3ÖÖ»ù±¾·½·¨:
1¡¢´´½¨²¢ÄÜ·µ»ØÌض¨ÀàÐ͵ĶÔÏóµÄº¯Êý(¹¤³§º¯Êý)È磺
function wu()
{
var w=new object;
o.a=1;
return o;
}ÓÃÕâÖÖ·½Ê½´´½¨¶ÔÏó£ºvar u=wu();
2¡¢´´½¨¹¹Ô캯Êý£¬ÓÃnewʵÀý»¯ÀýÈ磺
function wu()
{this.a=1;}
ÓÃÕâÖÖ·½Ê½´´½¨¶ÔÏó: var u=new wu();
3¡¢ÔÐÍ·½Ê½,À ......
Definition and Usage
¶¨ÒåÓëÓ÷¨The constructor property is a reference to the function that created an object.
constructorÊôÐÔÊÇËù½¨Á¢¶ÔÏóµÄº¯Êý²Î¿¼Syntax
Óï·¨object.constructor
Example 1
¾ÙÀý
In this example we will show how to use the constructor property:
ÔÚÕâ¸ö¾ÙÀýÖÐÎÒÃǽ«Õ¹Ê¾ÈçºÎʹÓÃcons ......
IE¿ÉÒÔµ÷Óãº
<script type="text/javascript">
// ˵Ã÷£º»ñÈ¡Ò³ÃæÉÏÑ¡ÖеÄÎÄ×Ö
// ÕûÀí£ºhttp://www.CodeBit.cn
function getSelectedText() {
if (window.getSelection) {
// This technique is the most likel ......