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二維數(shù)組怎么定義

沒看懂二維數(shù)組怎么定義???

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Javascript二維數(shù)組定義[一]:?
JavaScript代碼?
??? <script>??????
????? var?? a=new?? Array();??????
????? a[1]=new?? Array("a","b");??????
????? </script>???
--------------------------------------------------------------------------------?
Javascript二維數(shù)組定義[二]:?
JavaScript代碼?
??? <script?? language="JavaScript">??????
????? <!--??????
????? var?? a?? =?? new?? Array();??????
????? a[0]?? =?? new?? Array("a","b");??????
????? a[1]?? =?? new?? Array("c","d");??????
????? alert(a[1][1]);??????
????? //-->??????
????? </script>????
--------------------------------------------------------------------------------?
Javascript二維數(shù)組定義[三]:??
JavaScript代碼?
??? var?? arr?? =?? new?? Array([1,2,3],[4,5,6],[7,8,9,10]);??????
????? for(var?? e?? in?? arr)?? alert(arr[e]);??????
????????
--------------------------------------------------------------------------------?
Javascript二維數(shù)組定義[四]:??
先聲明一個數(shù)組:???
??
JavaScript代碼?
??? var a=new?? arrray(first_num);??????
????? a[first_num]=new?? array(number);??????
????? a[first_num]=new?? array(number);??????
????????
????? //first_name是維數(shù),??????
????? //number可以根據(jù)你的需要來了。??????
????? //這樣可以創(chuàng)造出多維數(shù)組了。?????
?????
--------------------------------------------------------------------------------?
Javascript二維數(shù)組定義[五] ??
JavaScript代碼?
??? <script>??????
????? T=new?? Array;??????
????? T[1]=new?? Array;??????
????? T[1][0]="a";??????
????? T[1][1]="b";??????
????? alert(T[1][0]);??????
????? </script>???
--------------------------------------------------------------------------------?
Javascript二維數(shù)組定義[六]??
JavaScript代碼?
??? <script>??????
????? var?? result?? =?? new?? Array(new?? Array("1","1111"),??????
??????????? new?? Array("2","2222"),?? new?? Array("3","3333"),??????
??????????? new?? Array("4","4444"));??????
????? for(var?? i=0;i<?? result.length;i++){??????
????? alert(result[i][0]+"|"+result[i][1]);??????
????? }??????
????? </script>????

1 回復(fù) 有任何疑惑可以回復(fù)我~
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非常感謝!
2016-02-28 回復(fù) 有任何疑惑可以回復(fù)我~

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