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 ×îÐÂÎÄÕ : javascript

Javascript ÀàºÍÃüÃû¿Õ¼äµÄ¶¨Òå

//1.Àà
function Test(id)
{
     this.id=id;
     this.method=function()
         {
            //´úÂë
         };
}
//¿ÉÒÔ¼ÌÐøÀ©Õ¹ÉÏÃæµÄ·½·¨£º
Test.prototype.method1=function(){};
//µ÷ÓÃдºÃµÄÀà  var A = new Test("1");
//2.JSÃüÃû¿Õ¼ä
var namespace={};//var namespace=new Object();
o.i=4;
o.method1=function(){};
//ÎÒµÄÏë·¨ÊÇ£º¾ÍÊÇÀûÓÃobjectÌØÐÔ£¬¿ÉÒÔÌí¼Ó×Ô¼ºµÄ·½·¨ºÍ±äÁ¿£¬´Ó¶ø´ïµ½·½±ãÉèÖÃÃüÃû¿Õ¼äµÄÄ¿µÄ£»
//ÏÂÃæÊÇÍøÉϵÄÒ»¸ö·½·¨£¬ÎÒ¾õµÃÕâ¸ö±È½Ï·½±ã£¬ÌرðÊÇÃüÃû¿Õ¼äµÄ²ã´Î±È½Ï¶àµÄʱºò£¬ÓÃÕâ¸öÈ¥×¢²á£¬·Ç³£¿ì
<script language="javascript" type="text/javascript">
// Namespace
Namespace =
new
Object();
// register"Grandsoft.GEA"
Namespace.register =
function
(fullNS)
{
// N, GrandsoftGEA
var nsArray = fullNS.split('.'
);
var sEval = ""
;
var sNS = ""
;
for (var
i = 0; i < n ......

JavaScriptÈÕÆÚת»»Îª¶«°ËÇøµÄÈÕÆÚ


                    var sDate = new Date(Date.UTC(arys[0], arys[1] - 1, arys[2]));
                    var eDate = new Date(Date.UTC(arys1[0], arys1[1] - 1, arys1[2]));
......

À뿪»­ÃæÊ±µÄJavaScriptÈ·ÈÏÌáʾ

window.onbeforeunload = function (evt) {
var message = 'Are you sure you want to leave?';
if (typeof evt == 'undefined') {
evt = window.event;
}
if (evt) {
evt.returnValue = message;
}
return message;

onbeforeunload ʼþ²Î¿¼µØÖ·
http://msdn.microsoft.com/en-us/library/ms536907(VS.85).aspx ......

javascript php Ö®¼ä´«µÝ ÖÐÎÄ ±ÜÃâÂÒÂë

ÔÚjavascript´úÂëÖÐÓÃencodeURIComponent()º¯Êý´¦ÀíÖÐÎÄ×Ö·û´®£¬
JS´úÂ룺
<mce:script type=”text/javascript”><!--
string = encodeURIComponent(string);
location.href = index.php?keyword=’+string;
// --></mce:script>
PHP´úÂë:
<?php
$keyword = (isset($_GET['keyword'])) ? $_GET['keyword'] : '';
?>
±£Ö¤JavaScriptºÍAsp¡¢PhpµÈºó¶Ë³ÌÐò¼ä´«Öµ±àÂëͳһ
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ÔÚºó¶ËÊÇASP³ÌÐòµÄÇé¿öÏ£¬±£³Öǰ¶ËJavascriptºÍAspÖ®¼ä´«ÖµµÄͳһ±àÂë¿ÉÒÔʹÓÃÒÔϺ¯Êý½øÐд¦Àí£º
±àÂ룺escape(string)
½âÂ룺unescape(string)
ÕâÁ½¸öº¯ÊýÔÚJavaScriptºÍAspÀï¶¼´æÔÚ£¬¶øÇÒ¹¦ÄÜÍêȫһÑù£¬
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½ÓÊÕµÄÒ»¶ËÓÃunescape½øÐнâÂë¼´¿É±£Ö¤JavascriptºÍAspÊý¾Ý´«µÝ¹ý³ÌÖв»»á³öÏÖÂÒÂ룡
ÔÚºó¶ËÊÇPHP³ÌÐòµÄÇé¿öÏ£¬±£³Öǰ¶ËJavascriptºÍPHPÖ®¼ä´«ÖµµÄͳһ±àÂë¿ÉÒÔʹÓÃÒÔϺ¯Êý½øÐд¦Àí£º
WEBǰ¶ËJavaScript
±àÂ룺encodeURI(string)
½ ......

javascript php Ö®¼ä´«µÝ ÖÐÎÄ ±ÜÃâÂÒÂë

ÔÚjavascript´úÂëÖÐÓÃencodeURIComponent()º¯Êý´¦ÀíÖÐÎÄ×Ö·û´®£¬
JS´úÂ룺
<mce:script type=”text/javascript”><!--
string = encodeURIComponent(string);
location.href = index.php?keyword=’+string;
// --></mce:script>
PHP´úÂë:
<?php
$keyword = (isset($_GET['keyword'])) ? $_GET['keyword'] : '';
?>
±£Ö¤JavaScriptºÍAsp¡¢PhpµÈºó¶Ë³ÌÐò¼ä´«Öµ±àÂëͳһ
ÔÚ·ÇÓ¢ÎÄ×Ö·û¼¯µÄÒ³ÃæÉÏ£¬Èç¹ûʹÓÃAjax·½Ê½½øÐÐÊý¾Ý½»»¥µÄ»°£¬
¾Í±ØÐëҪעÒⱣ֤ǰºó¶ËÊý¾ÝµÄͳһ±àÂ룬·ñÔò£¬ºÜÈÝÒ׾ͳöÏÖÂÒÂ룡
ÔÚºó¶ËÊÇASP³ÌÐòµÄÇé¿öÏ£¬±£³Öǰ¶ËJavascriptºÍAspÖ®¼ä´«ÖµµÄͳһ±àÂë¿ÉÒÔʹÓÃÒÔϺ¯Êý½øÐд¦Àí£º
±àÂ룺escape(string)
½âÂ룺unescape(string)
ÕâÁ½¸öº¯ÊýÔÚJavaScriptºÍAspÀï¶¼´æÔÚ£¬¶øÇÒ¹¦ÄÜÍêȫһÑù£¬
Ö»ÒªÈκÎÒ»¶ËÏòÁíÒ»¶Ë´«Êý¾Ý£¬¶¼ÏÈÓÃescape½øÐбàÂ룬
½ÓÊÕµÄÒ»¶ËÓÃunescape½øÐнâÂë¼´¿É±£Ö¤JavascriptºÍAspÊý¾Ý´«µÝ¹ý³ÌÖв»»á³öÏÖÂÒÂ룡
ÔÚºó¶ËÊÇPHP³ÌÐòµÄÇé¿öÏ£¬±£³Öǰ¶ËJavascriptºÍPHPÖ®¼ä´«ÖµµÄͳһ±àÂë¿ÉÒÔʹÓÃÒÔϺ¯Êý½øÐд¦Àí£º
WEBǰ¶ËJavaScript
±àÂ룺encodeURI(string)
½ ......

Javascript ˢпò¼Ü¼°Ò³ÃæµÄ·½·¨×ܼ¯

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ÏÂÃæÒÔÈý¸öÒ³Ãæ·Ö±ðÃüÃûΪframe.html¡¢top.html¡¢bottom.htmlΪÀýÀ´¾ßÌå˵Ã÷ÈçºÎ×ö¡£
Java´úÂë
frame.html ÓÉÉÏ(top.html)ÏÂ(bottom.html)Á½¸öÒ³Ãæ×é³É£¬´úÂëÈçÏ£º   
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">   
<HTML>   
<HEAD>   
<TITLE> frame </TITLE>   
</HEAD>    
<frameset rows="50%,50%">   
<frame name=top src="top.html">   
<frame name=button src="bottom.html">   
</frameset>   
</HTML>  
frame.html ÓÉÉÏ(top.html)ÏÂ(bottom.html)Á½¸öÒ³Ãæ×é³É£¬´úÂëÈçÏ£º
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> frame </TITLE>
</HEAD>
<frameset rows="50%,50%">
<frame name=top src="top.html">
<frame ......

·ÅÒ»¸öjavascriptÓÒ¼ü²Ëµ¥µÄ´úÂë

×¢²áºÜ³¤Ê±¼äºÅÁË£¬¸Õ¿ªÍ¨²©¿Í£¬ÄóöÒ»¸ö×Ô¼ºÐ´µÄjavascriptÓÒ¼ü²Ëµ¥£¬¼æÈÝIE£¬firefoxä¯ÀÀÆ÷
ÕâÊÇcss´úÂë
 body{
font-size:12px;
}
.contextMenu{
filter:alpha(opacity=80);
opacity:0.8;
border:1px #0033FF solid;
background-color:#0099CC;
cursor:pointer;
width:120px;
position:absolute;
top:0;
left:0;
font-size:12px;
}
.cmddiv{
padding:2px;
border-bottom:1px #00FF99 dotted;
}
»¹ÓÐjavascript´úÂë
 window.onload=function(){
var contextMenu;
var buttons=['²Ëµ¥1','²Ëµ¥2','²Ëµ¥3','²Ëµ¥4'];
window.document.body.oncontextmenu=function(e){
var xy=getXY(e);
if(typeof contextMenu!="object"){
contextMenu=document.createElement("div");
for(var i=0;i<buttons.length;i++){
var div=document.createElement("div");
var cmd=document.createTextNode(buttons[i]);
div.eventDiv=i;
div.className="cmddiv";
div.appendChild(cmd);
contextMenu.appendChild(div);
}
contextMenu.className="contextMenu";
window.document.body.appendChil ......
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