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交作业

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Jason

#1 Created at ... [Delete] [Delete and Lock User]
//practice
var arr = ['Bart', 'Lisa', 'Adam'];
for (var nam in arr.sort()){
    console.log(`hello, ${arr[nam]}!`)
}

for (var nam in arr.reverse()){
    console.log(`hello, ${arr[nam]}!`)
} 

arr.sort();
var len = arr.length;
var i = 0;
while(i < len){
    console.log(`hello, ${arr[i]}!`)
    i ++;
}

arr.reverse();
var len = arr.length;
var i = 0;
while(i < len){
    console.log(`hello, ${arr[i]}!`)
    i ++;
}

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