È¥³ýjavascriptÊý×éÖеÄÏàÍ¬ÔªËØ
<script type="text/javascript">
function uniqueArr(arr)
{
arr = arr || [];
var a = {};
for (var i=0; i<arr.length; i++)
{
var v = arr[i];
if (typeof(a[v]) == 'undefined')
{
a[v] = 1;
}
}
arr.length = 0;
for (var i in a )
{
arr[arr.length] = i;
}
return arr;
}
var ss=new Array();
ss.push("aaaa");
ss.push("bbbb");
ss.push("bbb1b");
ss.push("bbb2b");
if (ss.length == uniqueArr(ss).length){
alert("no reapeat");
}
else{
alert("reapeat!!!");
}
//alert(ss.length);
//alert(uniqueArr(ss).length);
</script>
Ïà¹ØÎĵµ£º
CSSÓï·¨ (²»Çø·Ö´óСд) ¡¡¡¡JavaScriptÓï·¨ (Çø·Ö´óСд)
border ¡¡¡¡ border
border-bottom ¡¡¡¡ &nbs ......
WEB ±à³Ì - DHTML - ʼþ
onabort
µ±Í¼Æ¬¼ÓÔØ±»ÖжÏʱ´¥·¢µÄʼþ
onactivate
µ±¶ÔÏó³ÉΪ»îÐÔÔªËØÊ±´¥·¢µÄʼþ
onafterprint
µ±ÍøÒ³´òÓ¡½áÊøÊ±´¥·¢µÄʼþ
onafterupdate
µ±¶ÔÏóµÄÊý¾Ý±»³É¹¦ÐÞ¸ÄÖ®ºó¶ø´¥·¢µÄʼþ
onbeforeactivate
µ±¶ÔÏó½«Òª±»ÉèÖÃ³É»î¶¯ÔªËØÖ®Ç°´¥·¢µÄʼþ
onbeforecopy
µ±ÍøÒ³±»¿½±´Ö®Ç°¶ø ......
Javascript´úÂëÊղشóÈ«
1. oncontextmenu="window.event.returnvalue=false" ½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)><td>no</table> ¿ÉÓÃÓÚTable
2. <body onselectstart="return false"> È¡Ïûѡȡ¡¢·ÀÖ¹¸´ÖÆ
3. onpaste="return false" ²»×¼Õ³Ìù
4. oncopy="retu ......
Õâ¿ÉÄÜÊÇ×î±»ºöÂÔµÄÎĵµ²Ù×÷Ö®Ò»£¬Õâ¶¼¹Ö΢ÈíµÄ²»×÷ΪÓëW3CµÄÎÞÄÜ£¬¸ãµ½´ó¼ÒÖ»ÖªµÀappendChildÓëinsertBefore¡£ºóÀ´±¬³öappendChildÔÚIEÓÐbug£¬ºÃÁË£¬ÒÔºóÖ»ÓÃinsertBeforeÁË¡£ÏÖÔÚjQueryÐËÆðºó£¬ÎÞÊý¸ÏѼ×ÓÉϼܵÄjavascriptËØÈËÁ¬»ù±¾APIÒ²²»Ñ§ÁË£¬Ö±½ÓÉÏÊÖappend£¬ preppend£¬ before£¬ afterÓëreplaceWith£¬Õâ±È½Ï±¯°§¡ ......
JavaScript ¿ÉËãÊÇÊÀ½çÉÏ×îÁ÷Ðеıà³ÌÓïÑÔ£¬ËüÔø±» Web ¿ª·¢Éè¼ÆÊ¦ÌùÉÏØ¬ÃεıêÇ©£¬ËäÈ»ÕæÕýµÄجÃÎÆäʵÊÇ DOM API£¬Õâ¸ö±»´óÁ¿µÄ¿ª·¢ÓëÉè¼ÆÊ¦ËæÊÖÄéÀ´ÔöÇ¿ËûÃÇµÄ Web ǰ¶ËµÄ½Å±¾ÓïÑÔ£¬Èç½ñÔ½À´Ô½±»ÖØÊÓ£¬ËäÔòÈç´Ë£¬JavaScript ÈÔȻӵÓкܶàÈÃÈ˷ѽâµÄ¶«Î÷¡£
1. ËüÒÔ Java ÃüÃû£¬µ«²¢²»ÊÇ Java
Ëü×î³õ½Ð Mocha£¬ ½ÓןÄÃûÎ ......