ÔÚb/s¿ª·¢Öо³£Óõ½µÄjavaScript¼¼ÊõÕûÀí
Ò»¡¢ÑéÖ¤Àà
1¡¢Êý×ÖÑéÖ¤ÄÚ
1.1 ÕûÊý
/^(-|\+)?\d+$/¡¡¡¡²»¿ÉÒÔΪ¿Õ
/^[-+]?\d*$/ ¿ÉÒÔΪ¿Õ
1.2 ´óÓÚ0µÄÕûÊý £¨ÓÃÓÚ´«À´µÄIDµÄÑéÖ¤)
/^\d+$/
1.3 ¸ºÕûÊýµÄÑéÖ¤
/^-\d+$/
1.4 ÕûÊý²»ÄÜ´óÓÚiMax
¸ù¾ÝÉÏÃæµÄÕýÔò¿ÉÒÔд³ö¡£
1.5 ÕûÊý²»ÄÜСÓÚiMin
¸ù¾ÝÉÏÃæµÄÕýÔò¿ÉÒÔд³ö¡£
2¡¢Ê±¼äÀà
2.1 ¶Ìʱ¼ä£¬ÐÎÈç (13:04:06)
¡¡¡¡¡¡¡¡function isTime(str)
{
var a = str.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/);
if (a == null) {alert('ÊäÈëµÄ²ÎÊý²»ÊÇʱ¼ä¸ñʽ'); return false;}
if (a[1]>24 || a[3]>60 || a[4]>60)
{
alert("ʱ¼ä¸ñʽ²»¶Ô");
return false
}
return true;
}
2.2 ¶ÌÈÕÆÚ£¬ÐÎÈç (2003-12-05)
function strDateTime(str)
{
var r = str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
if(r==null)return false;
var d= new Date(r[1], r[3]-1, r[4]);
return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}
^(?:(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(\/|-|\.)(?:0?2\1(?:29))$)|(?:(?:1[6-9]|[2-9]\d)?\d{2})(\/|-|\.)(?:(?:(?:0?[13578]|1[02])\2(?:31))|(?:(?:0?[1,3-9]|1[0-2])\2(29|30))|(?:(?:0?[1-9])|(?:1[0-2]))\2(?:0?[1-9]|1\d|2[0-8]))$
Description: This expression validat
Ïà¹ØÎĵµ£º
JavaScript ÊÇ Web ¿ª·¢ÓëÉè¼ÆÖÐȱһ²»¿ÉµÄ»õÉ«£¬²»¹ÜÊÇÒ»¸ö¼òÂÔµÄÍøÒ³ÈÔÊÇÒ»¸öרҵµÄÕ¾µã£¬Ò²±Â¹ÜÄãÊǺÃÊÖÈÔÊDzËÄñ£¬ÏÖ½ñ JavaScript ¿âÓúÀ´ÓúÇ¿´ó£¬¿ÉÒÔʤÈκöิÔӵŤ×÷£¬È»ÔòÓë´Ëͬʱ£¬ÖÚÈËÔÚ·ºÀÄ JavaScript ¿âÑÛǰÓÖ¾õ×Ų»ÖªËù´ë£¬ÕýÎÄ£¬ÎÒÃǽ«Ó¦Óà Google ËÑѰ³öÅÅÐÐǰ Ê® λµÄ JavaScript ¿â£¬²¢¶ÔËüÃÇÖð¸ö ......
jsÊó±êʼþ´óÈ«2008Äê01ÔÂ14ÈÕ ÐÇÆÚÒ» 08:54Ò»°ãʼþ ʼþ ä¯ÀÀÆ÷Ö§³Ö ÃèÊö
onClick IE3|N2|O3 Êó±êµã»÷ʼþ£¬¶àÓÃÔÚij¸ö¶ÔÏó¿ØÖƵķ¶Î§ÄÚµÄÊó±êµã»÷
onDblClick IE4|N4|O Êó±êË«»÷ʼþ
onMouseDown IE4|N4|O Êó±êÉϵİ´Å¥±»°´ÏÂÁË
onMouseUp IE4|N4|O Êó±ê°´Ïºó£¬ËÉ¿ªÊ±¼¤·¢µÄʼþ
onMouseO ......
function class1(){
alert("class1");
};
function class2(){
alert("class2");
}
class2.prototype=class1.prototype;
var obj=new class2();
alert(obj instanceof class1);
alert(obj instanceof class2);
alert(class2.prototype.constructor);
class2.prototype.constructor(); ......
css¿ØÖÆÎ»Öãº
´¿Êý×Ö
el.style.posLeft = 0;
el.style.posTop = 0;
Êý×Ö+µ¥Î»
el.style.left = "0px";
el.style.top = "0px";
css¿ØÖÆÔªËصÄÑùʽ£º
document.getElementById("para").style.fontWeight ="bold";
»ò£¨ÆäËûÒ²ÊÇÕâÑù£©£º
document.getElementById("para").className ="strong"; ......
ÀûÓÃjsÀ´¶¯Ì¬´´½¨±í¸ñÓÐÁ½ÖÖ¸ñʽ£¬appendChild()ºÍinsertRow¡¢insertCell()¡£Á½ÖÖ·½Ê½Æäʵ²î²»¶à£¬µ«µÚÒ»ÖÖÓпÉÄÜÔÚIEÉÏÓÐÎÊÌ⣬ËùÒÔÍÆ¼ö´ó¼ÒʹÓõڶþÖÖÁË£¬Ö±½Ó˵°É¡£
1¡¢inserRow()ºÍinsertCell()º¯Êý
insertRow()º¯Êý¿ÉÒÔ´ø²ÎÊý£¬ÐÎʽÈçÏ£º
insertRow(index)£ºindex´Ó0¿ªÊ¼
Õâ¸öº¯Êý½«ÐÂÐÐÌí¼Óµ½indexµÄÄÇÒ»ÐÐÇ ......