function sum(...rest) {
for (rest.length === o) {
result = 0;
} else {
var result = 0;
for (var v of rest) {
result += v;
}
return result;
}
}//报错了,自己找不到错误,求帮忙QAQ...最好能给个正确的码?
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for(rest.length===o)
写得是o
不是0
。for(rest.length===o){
=>
for(rest.length===0){
rest.length===o?不应该是0?
for(rest.length === o) ?
逗我
把第一个for改为if(rest.length === 0)