web_learning/js_nonsense.html at master · joecampling/web_learning · GitHub

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<!DOCTYPE html>
<meta charset = "utf-8">

<script>
'use strict';
console.log('hello');

function divide(a, b) {
  if (b > a) {
    [a, b] = [b, a];
  }
  if (a % b == 0) {
    this.result = a / b;
    this.history = `${a} / ${b} = ${this.result}`;
  } else {
    this.result =  [a, b];
    this.history = `${b} doesn't go into ${a}`;
  }
}

function add(a, b) {
  this.result = a + b;
  this.history = `${a} + ${b} = ${this.result}`;
}

function new_list(numbers, operation, index1, index2) {
  numbers.splice(index1, 1);
  numbers.splice(index2 - 1, 1);
  return numbers.concat(operation.result);
}

var numbers = [1, 2, 3, 4, 5, 6];
var index1 = 2;
var index2 = 4;
var something = new_list(numbers, new add(numbers[index1], numbers[index2]), index1, index2);
console.log(something);

var addh = new add(9,6);
console.log(addh.history);
var out = new divide(2, 6);
console.log(out.history);

var obj_list = [];

for (var i = 0; i < numbers.length; i++) {
  for (var j = i + 1; j < numbers.length; j++) {
    console.log(new divide(numbers[i], numbers[j]).history);
  }
}

function chain(numbers, operation, chain = []) {
  this.chain = chain;
  for (var i = 0; i < numbers.length; i++) {
    for (var j = i + 1; j < numbers.length; j++) {
      this.chain.push(new operation(numbers[i], numbers[j]))

    }
  }
}

var numbers2 = [1,2,3,4,5,6];
var test = new chain(numbers2, divide);
console.log(test.chain);


</script>