[Javascript] Advanced Reduce: Composing Functions with Reduce

最新推荐文章于 2025-09-08 17:59:21 发布

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最新推荐文章于 2025-09-08 17:59:21 发布

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文章标签： javascript ViewUI

原文链接：http://www.cnblogs.com/Answer1215/p/5132164.html

本文介绍了如何通过组合函数来创建数组减少的功能性管道，包括增加、减少、加倍和减半操作，并通过示例展示了其应用。

Learn how to use array reduction to create functional pipelines by composing arrays of functions.

const increase = (input) => {
  return input + 1;
}

const decrease = (input) => {
  return input - 1;
}

const double = (input) => {
  return input * 2;
}

const halven = (input) => {
  return input / 2;
}

let pipelines = [
  increase,
  increase,
  decrease,
  double,
  halven,
  increase
];

let init_value = 1;

let res = pipelines.reduce( (acc, fn) => {
  return fn(acc);
}, init_value );

console.log(res);