( 难度:中等)var arr = [];typeof arr 的结果是( )A.arrayB.functionC.objectD.undefined

( 难度:中等)var arr = [];typeof arr 的结果是( )
A.array
B.function
C.object
D.undefined

相关考题:

下列程序执行后的输出结果是main(){ char arr[2][4];strcpy(arr,"you"); strcpy(arr[1],"me");arr[0][3]=′′;printf("%s\n",arr);}A.youmeB.youC.meD.err

下列程序的输出结果是______。Private Sub Command1_Click()Dim arr(1To 10)For i=1 To 10arr(i)=iNext iFor Each i In arr()arr(i)=arr(i)*2+1Next iMsgBox arr(7)End Sub

( 21 )下面正确使用动态数组的是A )Dim arr () As Integer…ReDim arr ( 3 , 5 )B )Dim arr () As Integer…ReDim arr ( 50 ) As StringC )Dim arr ()…ReDim arr ( 50 ) As IntegerD )Dim arr ( 50 ) As Integer…ReDim arr ( 20 )

下列程序执行后的输出结果是 included main( ) { char arr[2][4]; strcpy(arr,"you") 下列程序执行后的输出结果是#included<string.h>main( ){ char arr[2][4];strcpy(arr,"you");strepy(arr[1],"me");arr[0][3]='';cout<<arr<<endl;}A.youmeB.youC.meD.err

下列程序执行后的输出结果是______。 main() { char arr[2][4]; strcpy(arr,"she");strcpy(arr[1],"he"); arr[0][3]=''; printf("%s\n",arr); }A.sheheB.heC.sheD.shehe

下列程序执行后的输出结果是______。 main() { char arr[2][4]; strcpy (arr[0],"you");strcpy(arr[1],"me"); an[0][3]=''; printf("%s \n",arr [0]); }A.youmeB.youC.meD.err

下列程序的输出结果是______。Private Sub Commandl_Click()Dim alt(1 To 10)Fori=1 To 10arr(i) =INext iFor Each i In arr()arr(i) =arr(i) *2+1Next iMsgBox arr(7)End Sub

有以下程序: include include using namespace std; int main() {char arr[ 有以下程序: #include<iostream> #include<string> using namespace std; int main() { char arr[2][4]; strcpy(arr[0],"you"); strcpy(arr[1],"me"); arr[0][3]=''; cout<<arr[0]<<end1; return 0; } 执行后的输出结果是( )。A.youmeB.youC.meD.err

下列程序的输出结果是______。Private Sub Command1_Click()Dim arr(1 To 10)For i=l TO 10arr(i)=iNext iFor Each i In arr()art(i)=arr(i)*2+1Next iMsgBox arr(7)End Sub

下列程序执行后的输出结果是______。 main() { char arr[2][4]; atrcpy(arr,"you");strcpy(arr[1],"me"); art[0][3]=''; printf("%s\n",arr); }A.youmeB.youC.meD.err

下列程序执行后的输出结果是: main() { char arr[2][4]; strcpy(arr'"you"); strcpy(arr[1],"me"); arr[0][3]=''; printf("%s\n",arr); } 程序的输出结果是( )。A.youmeB.meC.youD.err

下列程序 main() { char arr[2][4]; strcpy(arr,"you"); strcpy(arr[1],"me"); arr[0][3]=''; printf("%s \n",arr); } 执行后的输出结果是( )A.youmeB.youC.meD.err

下列程序执行后的输出结果是()。includeincludemain(){char arr[2][4]; str 下列程序执行后的输出结果是( )。 #include<stdio.h> #include <string.h> main() { char arr[2][4]; strcpy(arr[0],"you");strcpy(arr[1],"me"); arr[0][3]=''; Printf("%s\n",arr); }A.youmeB.youC.meD.err

var arr = new Array(new Array(9,0,3,4,5) , ['a' , 'b' , 'c'] , new Array(2,9,0,6));则arr[1][3]=( ) A.cB.6C.4D.undefined

以下代码正确的运行结果是?( )var arr=[0,1,2,3,4,5,6];arr2 = arr.slice(2,5);alert(arr2); A. 1,2,3B. 1,2,3,4C. 2,3,4D. 2,3,4,5

下列程序执行后的输出结果是 include main() { char arr[2][4]; strcpy( 下列程序执行后的输出结果是 #include<string.h> main() { char arr[2][4]; strcpy(arr, "you"); strcpy(arr[1], "me"); arr[0][3]=''; cout<<arr<<endl; }A.youmeB.youC.meD.err

( 21 )下面正确使用动态数组的是A )Dim arr () As Integer…ReDim arr ( 3 , 5 )B )Dim arr () As Integer…ReDim arr ( 50 ) As StringC )Dim arr ()…ReDim arr ( 50 ) As IntegerD )Dim arr ( 50 ) As Integer…ReDim arr ( 20 )

有如下代码: var arr = new Array(9); arr[0]=1; arr[2]=2; 该数组的length属性值为()A、2B、10C、8D、9

以下代码正确的运行结果是?() var arr=[0,1,2,3,4,5,6]; arr2 = arr.slice(2,5); alert(arr2);A、1,2,3B、1,2,3,4C、2,3,4D、2,3,4,5

var arr = new Array(new Array(9,0,3,4,5) , ['a' , 'b' , 'c'] , new Array(2,9,0,6)); 则arr[1][3]=()A、cB、6C、4D、undefined

关于数组元素的删除,请阅读下面的代码:$arr=array(0,1,2,3);unset($arr[1]);echo$arr[2];其正确的输出结果是()。A、0B、1C、2D、3

单选题关于数组元素的删除,请阅读下面的代码:$arr=array(0,1,2,3);unset($arr[1]);echo$arr[2];其正确的输出结果是()。A0B1C2D3

单选题有如下代码: var arr = new Array(9); arr[0]=1; arr[2]=2; 该数组的length属性值为()A2B10C8D9

单选题以下代码正确的运行结果是?() var arr=[0,1,2,3,4,5,6]; arr2 = arr.slice(2,5); alert(arr2);A1,2,3B1,2,3,4C2,3,4D2,3,4,5

单选题关于数组元素的删除,请阅读下面的代码:$arr=array(0,1,2,3);unset($arr[1]);echo$arr[2];其正确的输出结果是()。A0B1C2D3

单选题以下代码正确的运行结果是?() var arr=[0,1,2,3,4,5,6]; arr2 = arr.slice(2,5); alert(arr2);A1,2,3B1,2,3,4C2,3,4D2,3,4,5

单选题有如下代码: var arr = new Array(9); arr[0]=1; arr[2]=2; 该数组的length属性值为()A2B10C8D9

( 难度:中等)var arr = new Array(new Array(9,0,3,4,5) , ['a' , 'b' , 'c'] , newArray(2,9,0,6)); 则arr[1][3]= ( )A.cB.6C.4D.undefined