<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Chain Array</title>
</head>
<body>
<script>
balls = ["aa","bb","cc"];
function henry (_this, i) {
alert(_this + i)
}
balls.forEach(henry);
</script>
</body>
</html>
javascript forEash写法
原文：http://www.cnblogs.com/watercaltrop/p/4165114.html
