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提交作业

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17班梁x洪

#1 Created at ... [Delete] [Delete and Lock User] 
var i;
for(i = 0;i <= arr.length - 1; i++){
    alert('Hello,' + arr[i]);
}
for(i = arr.length - 1; i >= 0; i--){
    alert('Hello,' + arr[i]);
}
var n = 0;
while(n <= arr.length - 1){
    alert('Hello,' + arr[n]);
    n++;
}
var m = arr.length - 1;
while(m >= 0){
    alert('Hello,' + arr[m]);
    m--;
}

逆夏桑

#2 Created at ... [Delete] [Delete and Lock User]

这段程序写得真漂亮！

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