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1.1 ¶¨ÒåÊý×é
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var a = new Array(10);
´ËʱΪaÒѾ­¿ª±ÙÁËÄÚ´æ¿Õ¼ä£¬°üº¬10¸öÔªËØ£¬ÓÃÊý×éÃû³Æ¼Ó [ϱê] À´µ÷Óã¬ÀýÈç a[2] µ«´ËÊ±ÔªËØ²¢Î´³õʼ»¯£¬µ÷Óý«·µ»Ø undefined
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var a = new Array();
a[0] = 10;
a[1] = "aaa";
a[2] = 12.6;
ÉÏÃæÌá¹ýÁË£¬Êý×éÀïÃæ¿ÉÒԷŶÔÏó£¬ÀýÈçÏÂÃæ´úÂë
var a =    new Array();
a[0]    = true;
a[1]    = document.getElementById("text");
a[2]    = {x:11, y:22};
a[3]    = new Array();
Êý×é¿ÉÒÔʵÀý»¯µÄʱºòÖ±½Ó¸³Öµ£¬ÀýÈç
var a = new Array(1, 2, 3, 4, 5);
var b = [1, 2, 3, 4, 5];
a ºÍ b ¶¼ÊÇÊý×飬ֻ²»¹ýbÓÃÁËÒþÐÔÉùÃ÷£¬´´½¨ÁËÁíÒ»¸öʵÀý£¬´ËʱÈç¹ûÓÃalert(a==b)½«µ¯³öfalse
1.2 ¶àάÊý×é
ÆäʵJavascriptÊDz»Ö§³Ö¶àάÊý×éµÄ£¬ÔÚaspÀïÃæ¿ÉÒÔÓà dim a(10,3)À´¶¨Òå¶àάÊý×飬ÔÚJavascriptÀïÃæ£¬Èç¹ûÓà var a = new Array(10,3) ½«±¨´í
µ«ÊÇ֮ǰ˵¹ý£¬Êý×éÀïÃæ¿ÉÒÔ°üº¬¶ÔÏó£¬ËùÒÔ¿ÉÒÔ°ÑÊý×éÀïÃæµÄij¸öÔªËØÔÙÉùÃ÷ΪÊý×飬ÀýÈç
var a = new Array();
a[0] = new Array();
a[0][0] = 1;
alert(a[0][0]);  //µ¯³ö 1
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var a = new Array([1,2,3], [4,5,6],    [7,8,9]);
var b = [[1,2,3], [4,5,6], [7,8,9]];
Ч¹ûÒ»Ñù£¬a²ÉÓó£¹æÊµÀý»¯£¬bÊÇÒþÐÔÉùÃ÷£¬½á¹û¶¼ÊÇÉú³ÉÒ»¸ö¶àάÊý×é
1.3 Array literals
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˵µ½Êý×飬²»µÃ²»Ëµµ½Array  Literals£¬Êý×éÆäʵÊÇÌØÊâµÄ¶ÔÏ󣬶ÔÏóÓÐÌØÓÐÊôÐԺͷ½·¨£¬Í¨¹ý ¶ÔÏóÃû.ÊôÐÔ ¡¢¶ÔÏó.·½·¨() À´È¡ÖµºÍµ÷Ó㬶øÊý×éÊÇͨ¹ýϱêÀ´È¡Öµ£¬Array Literals¸úÊý×éÓкܶàÏàËÆ£¬¶¼ÊÇijÊý¾ÝÀàÐ͵ļ¯ºÏ£¬µ«ÊÇArray Literals´Ó¸ù±¾À´Ëµ£¬ÊǸö¶ÔÏó£¬ÉùÃ÷ºÍµ÷Ó㬸úÊý×éÊÇÓÐÇø±ð
var aa = new Object();
aa.x = "cat";
aa.y = "sunny";
alert(aa.x);    //µ¯³öcat
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var a = {x:


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