javascript È¥µôÊý×éÖÐÇ°»òºóÖظ´Ïî
ÏÂÃæÁ½¸ö·½·¨ÊµÏÖÁËÊý×éÖÐÈ¥µô Ç°Ãæ »òÕß ºóÃæµÄ Öظ´Ïî
È¥µôÇ°ÃæµÄÖظ´Ïî·½·¨ °Ñarray [1, 2, 3, 1, 4, 5]È¥µôÇ°ÃæÖظ´Ïî µÃµ½ [2, 3, 1, 4, 5].
function unique(a)
{
var r = new Array();
o:for(var i = 0, n = a.length; i < n; i++) {
for(var x = i + 1 ; x < n; x++)
{
if(a[x]==a[i]) continue o;
}
r[r.length] = a[i];
}
return r;
}
È¥µôºóÃæµÄÖظ´Ïî·½·¨ °Ñarray [1, 2, 3, 1, 4, 5]È¥µôºóÃæÖظ´Ïî µÃµ½ [1, 2, 3, 4, 5].
function unique(a)
{
var r = new Array();
o:for(var i = 0, n = a.length; i < n; i++)
{
for(var x = 0, y = r.length; x < y; x++)
{
if(r[x]==a[i]) continue o;
}
r[r.length] = a[i];
}
return r;
}
Ïà¹ØÎĵµ£º
·µ»Ø JavaScript È«¾Ö¶ÔÏó²Î¿¼ÊÖ²á
¶¨ÒåºÍÓ÷¨
isNaN() º¯ÊýÓÃÓÚ¼ì²éÆä²ÎÊýÊÇ·ñÊÇ·ÇÊý×ÖÖµ¡£
Óï·¨
isNaN(x)
²ÎÊýÃèÊö
x
±ØÐè¡£Òª¼ì²âµÄÖµ¡£
·µ»ØÖµ
Èç¹û x ÊÇÌØÊâµÄ·ÇÊý×ÖÖµ NaN£¨»òÕßÄܱ»×ª»»ÎªÕâÑùµÄÖµ£©£¬·µ»ØµÄÖµ¾ÍÊÇ true¡£Èç¹û x ÊÇÆäËûÖµ,Ôò·µ»Ø false¡£
˵Ã÷
isNaN() º¯Êý¿ÉÓÃÓÚÅжÏÆä²ÎÊýÊÇ·ñÊÇ NaN£ ......
˼·£ºä¯ÀÀͼƬ£¬¶ÁÈ¡Æä¿í¶ÈImageW£¬¸ß¶ÈÖµImageH¡£¶ÁÈ¡Óû§ÊäÈëµÄ·Ö³É¼¸ÐÐRow¼¸ÁÐCol¡£
ÿ¸ö·½¿é£ºboxW=ImageW/Col£»boxH=ImageH/Row£»
ÔÚ1µ½Row*ColÖÐËæ»ú£¬µÚi¸öͼƬµÄλÖÃÉèΪpos¡¾i¡¿¡£È»ºó¶¯Ì¬´´½¨divÉú³ÉRow* ......
Ïê½âjavascriptÀà¼Ì³Ð»úÖƵÄÔÀí
Ä¿Ç° javascriptµÄʵÏּ̳з½Ê½²¢²»ÊÇͨ¹ý“extend”¹Ø¼ü×ÖÀ´ÊµÏֵģ¬¶øÊÇͨ¹ýconstructor functionºÍprototypeÊôÐÔÀ´ÊµÏּ̳С£Ê×ÏÈÎÒÃÇ´´½¨Ò»¸öanimalÀà
js ´úÂë
var animal = function(){ //Õâ¾ÍÊÇconstructor function ÁË&nbs ......
/*
* To change this template, choose Tools | Templates
* and open the template in the editor
*/
var File = {
name:'',
path:'',
ext:'',
cfiles:[],
attributes:{
  ......