while后不加大括号,甚至加了一个分号,这种写法是什么意思?为什么不会报错呢?源码:function start() { console.log("Request handler 'start' was called."); function sleep(seconds) {
var startTime=new Date().getTime(); while(new Date().getTime()<startTime+seconds);//这句
}
sleep(10000); return 'hello Start';
}function upload() { console.log("Request handler 'upload' was called."); return 'Hello Upload';
}
exports.start = start;
exports.upload = upload;
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