jQuery同时将文本从左侧滑动到中心/从中心向右滑动文本

I want to be able to have the "hello" slide from the center to the right out of frame (and fade out) while at the same time have the "there" slide from the left to the center (and fade in) when the button is clicked. But I can't figure out how to achieve this without having the divs on separate lines.I want to be able to have the "hello" slide fro