console 命令行工具 X clear

console

var button = document.querySelector('button');
Rx.Observable.fromEvent(button, 'click')
  .throttleTime(1000)
  .scan(count => count + 1, 0)
  .subscribe(count => console.log(`Clicked ${count} times`));

<button>确定</button>
<input type="text" />
<p id="count"></p>

本项目引用的自定义外部资源

Rx.js