eggheadio-projects/reduce-data-with-javascript: null

.DS_Store

# reduce-data-with-javascript

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Plunker</title>
</head>
<body>
  <script>
    // Allows Plunker to display logs in preview panel 
    // for better in-browser experience
    var originalConsoleLog = console.log
    console.log = function () {
      originalConsoleLog.apply(console, arguments)
      var args = Array.prototype.slice.call(arguments);
      document.body.innerText += args.join(' ') + '\n';
      document.body.style['fontFamily'] = 'monospace';
      document.body.style['fontSize'] = '1.5em';
    };
  </script>
	<script src="script.js"></script>
</body>
</html>

function increment(input) { return input + 1;}
function decrement(input) { return input - 1; }
function double(input) { return input * 2; }
function halve(input) { return input / 2; }

var initial_value = 1;

var pipeline = [
  increment,
  increment,
  increment,
  double,
  increment,
  increment,
  halve
];

var final_value = pipeline.reduce(function(acc, fn) {
  return fn(acc);
}, initial_value);

var reversed = pipeline.reduceRight(function(acc, fn) {
  return fn(acc);
}, initial_value)

console.log("final_value: ", final_value)
console.log("reversed: ", reversed)