function sum(...rest) {
var sum = 0;
rest.forEach(function (element) {
sum += element;
});
return sum;
}
______________________
var area;
if (arguments.length == 1) {
area = 3.14 * r *r;
} else {
area = pi * r * r;
return area;
__________________
if (a > b) {
return a;
return b;
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今天苏苏瘦了吗
function sum(...rest) {
var sum = 0;
rest.forEach(function (element) {
sum += element;
});
return sum;
}
______________________
var area;
if (arguments.length == 1) {
area = 3.14 * r *r;
} else {
area = pi * r * r;
}
return area;
__________________
if (a > b) {
return a;
} else {
return b;
}