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var arrA = new Array(1,23,43,64,1,23,5,8,3,5,9);
var arrB = getNewArray(arrA);  // ¹ýÂ˺¯Êý
È»ºó¿ªÊ¼±àдº¯ÊýgetNewArray()
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function getNewArray(receiveArray) 
{
    var arrResult = new Array();  //¶¨ÒåÒ»¸ö·µ»Ø½á¹ûÊý×é.
    for (var i=0; i<receiveArray.length; i++)
    {
        if (/*ÔÚÕâÀï×öiÔªËØÓëËùÓÐÅжÏÏàͬÓë·ñ, µ÷Óú¯Êýcheck(arrResult, receiveArray[i]);*/)
        {
            arrResult.push(receiveArray[i]); // Ìí¼Ó¸ÃÔªËØµ½ÐÂÊý×é¡£Èç¹ûifÄÚÅжÏΪfalse£¨¼´ÒÑÌí¼Ó¹ý£©£¬Ôò²»Ìí¼Ó¡£
        }
    }
    return arrResult;
}
È»ºó±àдÅжϺ¯Êýcheck()
 Code
function check(receiveArray, checkItem)
{
    var index = -1;  // º¯Êý·µ»ØÖµÓÃÓÚ²¼¶ûÅжÏ
    for (var i=0; i<receiveArray.length; i++)  
    {
        if (receiveArray[i]==checkItem)  
        {
            index = i;
            break;
        }
    }
    return index;
}
ÔòÔÚº¯ÊýgetNewArray()ÖеÄifÓ¦¸Ãд³É:
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