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var arr=new Array();
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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
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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
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<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])
    });
 


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