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 ×îÐÂÎÄÕ : javascript

JavaScript »ù´¡¼¼ÇÉ(2)

14 ·Ö¸î×Ö·û´®
1: <script language=”JavaScript”>
2: <!--
3: var myVariable = “a,b,c,d”;
4: var stringArray = myVariable.split(“,”);
5: document.write(stringArray[0]);
6: document.write(stringArray[1]);
7: document.write(stringArray[2]);
8: document.write(stringArray[3]);
9: // -->
10: </script>
15 µ¯³ö¾¯¸æÐÅÏ¢
1: <script language=”JavaScript”>
2: <!--
3: window.alert(“Hello”);
4: // -->
5: </script>
16 µ¯³öÈ·ÈÏ¿ò
1: <script language=”JavaScript”>
2: <!--
3: var result = window.confirm(“Click OK to continue”);
4: // -->
5: </script>
17 ¶¨Ò庯Êý
1: <script language=”JavaScript”>
2: <!--
3: function multiple(number1,number2) { ......

javaScript ³£Óü¼ÇÉ£¨Ò»£©


ʼþÔ´¶ÔÏó 
event.srcElement.tagName 
event.srcElement.type
²¶»ñÊÍ·Å 
event.srcElement.setCapture();  
event.srcElement.releaseCapture();  
ʼþ°´¼ü 
event.keyCode 
event.shiftKey 
event.altKey 
event.ctrlKey
ʼþ·µ»ØÖµ 
event.returnValue
Êó±êλÖà
event.x 
event.y
´°Ìå»î¶¯ÔªËØ 
document.activeElement
°ó¶¨Ê¼þ 
document.captureEvents(Event.KEYDOWN);
·ÃÎÊ´°ÌåÔªËØ 
document.all("txt").focus(); 
document.all("txt").select();
´°ÌåÃüÁî 
document.execCommand
´°ÌåCOOKIE 
document.cookie
²Ëµ¥Ê¼þ 
document.oncontextmenu
´´½¨ÔªËØ 
document.createElement("SPAN");  
¸ù¾ÝÊó±ê»ñµÃÔªËØ£º 
document.elementfromPoint(event.x,event.y).tagName=="TD 
document.elementfromPoint(event.x,event.y).appendChild(ms)  
´°ÌåͼƬ 
document.images[Ë÷Òý]
´°Ìåʼþ°ó¶¨ 
document.onmousedown=scrollwindow;
ÔªËØ 
document.´°Ìå.ele ......

javaScript ³£Óü¼ÇÉ£¨¶þ£©


//¸÷Öֳߴç
s += "\r\nÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.clientWidth;
s += "\r\nÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.clientHeight;
s += "\r\nÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.offsetWeight +" (°üÀ¨±ßÏߵĿí)";
s += "\r\nÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.offsetHeight +" (°üÀ¨±ßÏߵĿí)";
s += "\r\nÍøÒ³ÕýÎÄÈ«ÎÄ¿í£º"+ document.body.scrollWidth;
s += "\r\nÍøÒ³ÕýÎÄÈ«Îĸߣº"+ document.body.scrollHeight;
s += "\r\nÍøÒ³±»¾íÈ¥µÄ¸ß£º"+ document.body.scrollTop;
s += "\r\nÍøÒ³±»¾íÈ¥µÄ×ó£º"+ document.body.scrollLeft;
s += "\r\nÍøÒ³ÕýÎIJ¿·ÖÉÏ£º"+ window.screenTop;
s += "\r\nÍøÒ³ÕýÎIJ¿·Ö×ó£º"+ window.screenLeft;
s += "\r\nÆÁÄ»·Ö±æÂʵĸߣº"+ window.screen.height;
s += "\r\nÆÁÄ»·Ö±æÂÊµÄ¿í£º"+ window.screen.width;
s += "\r\nÆÁÄ»¿ÉÓù¤×÷Çø¸ß¶È£º"+ window.screen.availHeight;
s += "\r\nÆÁÄ»¿ÉÓù¤×÷Çø¿í¶È£º"+ window.screen.availWidth;  
//¹ýÂËÊý×Ö
//ÌØÊâÓÃ;
//²»»º´æ
//ÕýÔòÆ¥Åä ......

ʹÓÃJavaScript ¶ÔCookie ²Ù×÷µÄ·â×°

ʹÓÃJavaScript ¶ÔCookie ²Ù×÷µÄ·â×°
ͨ¹ý±¾Æª,ÄúÄÜÁ˽⵽:
ÄäÃûº¯Êý
±Õ°üµÄ²úÉú
JavaScriptʵÏÖprivate ÒÔ¼° public ·ÃÎÊȨÏÞ
document.cookie µÄ²Ù×÷
    Javascript ûÓÐ private , public ·ÃÎÊȨÏÞÉèÖõĹؼü×Ö,µ«ÊÇ¿ÉÒÔͨ¹ýÒ»¶¨µÄ¼¼ÇÉÀ´Ä£Äâ³öÏàͬµÄ½á¹û.
    Ê×ÏÈÎÒÃÇÀ´¿´ÏÂÃæÒ»ÐдúÂë:
var i = (1, 2, 3, 4, 5);
    ±äÁ¿ i ×îºóµÄ½á¹ûΪ 5.
    ÕâÊǶººÅ²Ù×÷·ûµÄ½á¹û,Ò²¾ÍÊÇ˵·µ»Ø×îºóµÄÒ»¸öÖµ,СÀ¨ºÅ¸Ä±äÁËÕâÐдúÂëµÄÓÅÏȼ¶,·ñÔò var i = 1, 2, 3, 4, 5; »á±¨´íȱÉÙ±êʶ·û.
var i = (1, 2, 3, 4, function(){    return 5 * 5;});
    ±äÁ¿ i ×îºóµÄ½á¹ûΪ Ò»¸öº¯Êý, ·µ»Ø½á¹û 25.
    Õâ¾ÍÊÇJavascript µÄÁé»îÖ®´¦,Äܹ»¸³ÖµÈÎÒâÀàÐͶø²»±ØÌáǰÉùÃ÷.ÏÖÔÚÎÒÃÇÍêÈ«¿ÉÒÔ½øÐÐÈçϵ÷ÓÃ:
i();
alert( i() );
    À´»ñµÃ·µ»Ø25µÄÒ»´Î·½·¨µ÷ÓÃ.
    ÎÒÃǼÌÐø, ±äÁ¿ i ÊÇͨ¹ý¸³Öµ·ûÀ´»ñÈ¡º¯ÊýµÄÒýÓõÄ, Ò²¾ÍÊÇ˵ÔڵȺÅÓұߵ ......

JavaScript£ºÖ»ÄÜÊäÈëÊý×Ö(IE¡¢FF)

ת×Ô£ºhttp://www.cnblogs.com/ly5201314/archive/2009/03/04/1402993.html
JavaScript£ºÖ»ÄÜÊäÈëÊý×Ö(IE¡¢FF)
ΪÁ˽â¾öÖ»ÄÜÊäÈëÊý×ÖµÄÎÊÌâ£¬ÍøÉÏÓÐÐí¶à×ÊÁÏ£¬ÏÖ¹é£һÏ¡£
¡¡¡¡Ò»¡¢²»´ø¸ººÅµÄÊäÈë
ÕâÀûÓнâ¾ö“Õý¸ººÅ”µÄÎÊÌâ¡£
ÓÉÓÚ“Õý¸ººÅ”±ØÐë³öÏÖÔÚÊý×ÖµÄ×îǰ¶Ë£¬Òò´Ë£¬±ØÐëÒªÅжϵ±Ç°¹â±êËùÔÚµÄλÖÃÊÇ·ñÔÚÊäÈëÎı¾¿òµÄÊ×λ¡£
<script language="JavaScript" type="text/javascript" >
<!--
//µ÷Ó÷½Ê½£ºonkeydown = "DigitInput(this,event);"
function DigitInput(el,ev) {
//8£ºÍ˸ñ¼ü¡¢46£ºdelete¡¢37-40£º ·½Ïò¼ü
//48-57£ºÐ¡¼üÅÌÇøµÄÊý×Ö¡¢96-105£ºÖ÷¼üÅÌÇøµÄÊý×Ö
//110¡¢190£ºÐ¡¼üÅÌÇøºÍÖ÷¼üÅÌÇøµÄСÊý
//189¡¢109£ºÐ¡¼üÅÌÇøºÍÖ÷¼üÅÌÇøµÄ¸ººÅ
    var event = ev || window.event;                             //IE¡¢FFÏ»ñȡʼþ¶ÔÏó
  ......

javascript ¶ÔÆÁĻλÖü°ä¯ÀÀÆ÷λÖõĻñÈ¡

// ä¯ÀÀÆ÷ÏÔÊ¾ÇøÓòµÄ¿íºÍ¸ß£¬ÏòÏ»¹Ô­ºóÖµ»á±äС¡£
document.body.clientWidth;
document.body.clientHeight;
 
// ÓëÉÏÃæµÄÁ½¸öÖµÏà±È£¬ÎÒ¾õµÃ¾ÍÊǼÓÉÏÁ˹ö¶¯ÌõµÄ¿íºÍ¸ß
document.body.offsetWidth;
document.body.offsetHeight;
 
// Õû¸öÍøÒ³µÄ¸ß¶ÈºÍ¿í¶È£¬°üÀ¨¹ö¶¯ÌõÖÐûÓÐÏÔʾ³öÀ´µÄ
document.body.scrollWidth;
document.body.scrollHeight;
 
// ÍøÒ³±»¹ö¶¯Ìõ¹ö¹ýÈ¥µÄ¿íºÍ¸ß
document.body.scrollTop;
document.body.scrollLeft;
 
// Ò³Ãæ×î×óÉϽǵÄλÖþàÕû¸öÆÁÄ»×óÉϽǵľàÀë
window.screenTop;
window.screenLeft;
 
// Õâ¸ö¾ÍÊÇÆÁÄ»·Ö±æÂÊ
window.screen.height;
window.screen.width;
 
// ä¯ÀÀÆ÷×î´ó»¯ºó´°¿ÚµÄ´óС
window.screen.availHeight;
window.screen.availWidth;
 
// Êó±êµÄλÖÃ
event.clentX
event.clentY
......
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