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JavaScript 使用switch语句进行多选项选择

function myTest(val) {
var answer = "";
// Only change code below this line
switch (val) {
case 1:
answer = "alpha";
break;
case 2:
answer = "beta";
break;
case 3:
answer = "gamma";
break;
case 4:
answer = "delta";
}
// Only change code above this line
return answer;
}


// Change this value to test
myTest(1);
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