es6 playground

by aliaksej

HTML

<div id="xxx" name="xxx">
  Click me Click meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick meClick me
</button>

CSS

#xxx {
  width: 100px;
  height: 100px;
  border: 1px solid red;
  overflow: auto;
}

JavaScript

function sum(a, b) {
	return a + b;
}