JavascriptÊý×é¼°Æä²Ù×÷

JavascriptÊý×é¼°Æä²Ù×÷[ת]
2009-06-10 10:10
±¾ÎĽéÉÜÈçϼ¸¸ö·½ÃæµÄÄÚÈÝ:
1.ÈçºÎ´´½¨Êý×é
2.ÈçºÎ¶ÔÊý×é½øÐвÙ×÷£¨Ìí¼Ó,ɾ³ý,¶ÁÈ¡)
3.Êý×é³£¼û·½·¨ºÍÊôÐÔ
ÈçºÎ´´½¨Ò»¸öÊý×é,Ò»°ãµØ¸ù¾Ý³õʼ»¯É趨¼òµ¥·ÖΪ3ÖÖ:
1.µ¥´¿´´½¨Êý×é:
var arr=new Array();
Òªµã:ÓÃnew¹Ø¼ü×Ö´´½¨Êý×é¶ÔÏóArray(),Array()¶ÔÏóÊÇÒ»¸ö±¾µØÀà,¿ÉÒÔÓÃnew´´½¨Ò»¸ö¶ÔÏóºóʹÓÃ
2.´´½¨Êý×éµÄͬʱ¹æ¶¨Êý×é´óС:
var arr=new Array(10);//ÕâÀï¾Í´´½¨ÁËÒ»¸ö³õʼ»¯´óСΪ10µÄÊý×é
×¢Òâ:µ±Ê¹ÓÃÊý×é´óС²Ù×÷³õʼ»¯´óСʱ,Êý×é»á×Ô¶¯±»³Å´ó,²»»áÏñCÓïÑÔÄÇÑù·¢Éú´íÎó.¶¯Ì¬Ôö³¤ÊÇjsÊý×éµÄÒ»¸öÐÔÖÊ.ÁíÍâ,jsÖÐÖ§³Ö×î´óÊý×鳤¶ÈΪ
4294967295
3.Ö±½Ó³õʼ»¯:
var arr=new Array("love","hate","pain");//ÕâÀï¾ÍÖ±½Ó³õʼ»¯ÁËÊý×é
»òvar arr=["happy","cute","scare"];//À¨ºÅÒ²¿ÉÒÔÉùÃ÷Ò»¸öÊý×é¶ÔÏó
µ±È»,ÀàËÆCÓïÑÔ,¿ÉÒÔ¶¨Òå2ά3άºÍ¶àάµÄÊý×é,ÀýÈç:
<script language="javascript">
    var myArray = new Array();
    for(var i=0;i<10;i++ )...{
        myArray[i]=new Array();
        myArray[i][0]=Math.floor(Math.random()*10);
        myArray[i][1]=Math.floor(Math.random()*10);
        myArray[i][2]=Math.floor(Math.random()*10);
        myArray[i][3]=Math.floor(Math.random()*10);
        myArray[i][4]=Math.floor(Math.random()*10);
        myArray[i][5]=Math.floor(Math.random()*10);
        myArray[i][6]=Math.floor(Math.random()*10);
        myArray[i][7]=Math.floor(Math.random()*10);
        myArray[i][8]=Math.floor(Math.random()*10);
    }
   
    myArray.sort( function(x, y) ...{
        return (x[0]==y[0])?((x[4]==y[4])?(x[8]-y[8]):(x[4]-y[4])):(x[2]-y[2])
    });