js__coffeescript__codeschool/lib/4-2-ranges.js

var bot, end, range1, range2, range3, start, top;

bot = 3;

top = 0;

// With right limit
range1 = (function() {
  var results = [];
  for (var i = bot; bot <= top ? i <= top : i >= top; bot <= top ? i++ : i--){ results.push(i); }
  return results;
}).apply(this);

// Without right limit
range2 = (function() {
  var results = [];
  for (var i = bot; bot <= top ? i < top : i > top; bot <= top ? i++ : i--){ results.push(i); }
  return results;
}).apply(this);

console.log(range1, range2);

// Referencing ranges
start = 5;

end = 10;

range3 = (function() {
  var results = [];
  for (var i = start; start <= end ? i <= end : i >= end; start <= end ? i++ : i--){ results.push(i); }
  return results;
}).apply(this);

console.log(range3.slice(1, 4));

console.log(range3.slice(1, +range3.length + 1 || 9e9));

// Negative indexes
console.log(range3.slice(1, -1));

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