JS睡眠sleep()

JS睡眠sleep

//JS睡眠sleep()
function sleep(numberMillis) {
    var now = new Date();
    var exitTime = now.getTime() + numberMillis;
    while (true) {
        now = new Date();
        if (now.getTime() > exitTime){
            return;
        }
    }
}

Java睡眠sleep

try {
	Thread.sleep(1000);
} catch (InterruptedException e) {
	e.printStackTrace();
}