Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavascriptµÝ¹éÓë¸÷ÖÖÑ­»·Ö´ÐÐЧÂʵıȽÏ

ÒÔÏ·ֱðÊÇÓõݹéºÍÁ½ÖÖÑ­»·¶Ôì³²¨ÄÇÆõÊýÁеļòµ¥ÊµÏÖ¡£(½á¹û½ö¹©²Î¿¼)
µÝ¹éµÄģʽ£º
function Fibonacci(num){
if(num <= 2){
return 1;
}else{
return Fibonacci(num - 1) + Fibonacci(num - 2)
}
}
var counter1 = new Counter();
Fibonacci(30);
counter1.show()
//Firefox Ͻá¹ûΪ413ºÁÃë
WhileÑ­»·µÄģʽ£º
function FibonacciWhile(number){
if(number>2){
var num1=num2=1,times=number-2,i=1;
while(i<=times){
result = num1+num2;
num1 = num2;
num2 = result;
i++;
}
return result;
}else if(number>0){
return 1;
}
}
var counter2 = new Counter();
FibonacciWhile(3000000);
counter2.show()
//Firefox Ͻá¹ûΪ530ºÁÃë

ForÑ­»·µÄģʽ£º
 function FibonacciFor(n){
if (n > 2) {
for (var i=1,f0=1,f1=1,times=n-2; i <= times; i++) {
currentFib = f0 + f1;
f0 = f1;
f1 = currentFib;
}
return currentFib;
}else if(n>0){
return 1;
}
}
var counter3 = new Counter();
FibonacciFor(3000000);
counter3.show()
//Firefox Ͻá¹ûΪ380ºÁÃë

µÝ¹éµ½30»¨ÁË410ºÁÃ룬WhileÑ­»·µ½3000000»¨ÁË530ºÁÃ룬¶øForÑ­»·Ëãµ½3000000Ö®»¨ÁË380ºÁÃë¡£
¶Ô±ÈһϾͿÉÒÔ¿´³ö£º
Ñ­»·µÄЧÂÊÊǵݹéµÄÉÏÍò±¶¡£
²»½öÈç´Ë£¬ÓõݹéÔÚÎҵĵçÄÔÖ»ÄÜËãµ½100ÒÔÄÚ£¬ÔÙ¶àFirefox¾Í»áÌøÌáʾ¿ò³öÀ´¡£
ËùÒÔµ±ÎÒÃÇд´úÂëµÄʱºò£¬ÄÜÓÃÑ­»·»¹ÊÇÓ¦¸Ã¶àÓÃÑ­»·.


Ïà¹ØÎĵµ£º

javascriptЧÂʾ­Ñé̸(Ò»)

±¾ÎÄÖ÷ÒªÊdzöÓÚÓÐÅóÓÑʹÓÃÎÒÔ­À´Ð´µÄautocompleteµÄJS¿Ø¼þ¡£µ±Êý¾ÝÁ¿´óµÄʱºò£¬»á³öÏÖЧÂʼ«ÆäÂýµÄÇé¿ö£¬ÎÒÔÚÕâ¶Îʱ¼ä×ö³öµÄһЩ²âÊÔÒ²¼°Ò»Ð©¾­Ñ飬Óë´ó¼Ò·ÖÏí£¬Èç¹ûÓдíµÄµØ·½£¬»¹ÇëÖ¸³ö¡£
¾­¹ý²âÊÔ£¬ÎÒÃǻᷢÏÖÈçϵÄÇé¿ö»òÕß˵µÄ½áÂÛ£¬Èç¹ûÄúµÄ²âÊÔ½á¹ûÓëÎҵIJ»·û£¬Çë˵Ã÷Ô­Òò£¬ÒÔ±ãÏ໥ѧϰ¡£
1£©µ±Ò»¸ö½Ï´óµÄHTML×Ö· ......

JavaScriptµ÷ÊÔ·½·¨Ö®Ò»

ʹÓÃtry{...}catch(){}  ·½Ê½£¬Àý×ÓÈçÏ£º
function showAlarm(strObject){
try{
svgElement = document.getElementById(strObject);
svgElement.setAttribute("visibility","visible");
setTimeout("hideAlarm()",3000);//3Ãëºó½áÊø±¨¾¯
}catch(ex){
alert("º¯ÊýshowAlarm()·¢ÉúÒì³££º"+ex.descrip ......

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]));
......

·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: ......

JavaScriptÖеĶÔÏó

JavaScriptÖеĶÔÏó
¹Ø¼ü´Ê£º JavaScript    ¶ÔÏó                                           ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ