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<!DOCTYPE html>
<html>
<head>
  <script src="//cdn.bootcss.com/redux/3.5.2/redux.min.js"></script>
</head>
<body>
<script>
function func1(num) {
  console.log('func1 获得参数 ' + num);
  return num + 1;
}
​
function func2(num) {
  console.log('func2 获得参数 ' + num);
  return num + 2;
}
  
function func3(num) {
  console.log('func3 获得参数 ' + num);
  return num + 3;
}
​
// 有点难看（如果函数名再长一点，那屏幕就不够宽了）
var re1 = func3(func2(func1(0)));
console.log('re1：' + re1);
​
console.log('===============');
​
// 很优雅
var re2 = Redux.compose(func3, func2, func1)(0);
console.log('re2：' + re2);
</script>
</body>
</html>
​
 
​
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