consumerreports.org calculate $/points for each item in the row, to see which item provides the most value for the buck

value.js

// ==UserScript==
// @name         Consumer Reports -- most value for the money
// @namespace    http://your.homepage/
// @version      0.1
// @description  enter something useful
// @author       You
// @match        http://www.consumerreports.org/cro/*
// @grant        none
// ==/UserScript==

setTimeout(function () {

var saltClass = 'custom-augment'
var s = saltClass
$('.' + s).remove()

var chooseA = true

var valueUnit = chooseA
  ? "pts/$100"
  : "$/pts"


function allRows () {
  // TODO use `or` here
  return $('#sort-table tbody > tr, .ratings-chart-row').not('.rowBl, .border_bot')
}


allRows().each(function(_, e) {
  var overbar = $('.overbar', e).parent()
  var score = parseInt(overbar.text())
  var price = parseInt(overbar.prev().text().replace(/\$/ig, ""))
   
  var value = chooseA
    ? score / (price/100)
    : price / score

  var roundedValue = Math.round(value*10)/10
  var valueText = roundedValue
  
  var td = $('<td class="value ' + s + '">')
  td.addClass(s)
  td.attr('data-sort', value)
  td.css('min-width', "33px")
  td.text(valueText)
  overbar.after(td)
})

$('.header.overall-score').next().each(function() {
  var el = $(this)
  var newEl = el.clone()
  newEl.addClass(saltClass)
  newEl.addClass('value')
  newEl.css({fontWeight:400})
  newEl.find('img:not(.info)').parent().text(valueUnit)

  newEl.find('dd.middle').html('<strong>Value</strong><br>A description will be added here.')

  //debugger
  var newId = saltClass + "-value"
  var info = newEl.find('img.info')
  var popup = info.next()
  var oldId = popup.attr('id')
  popup.attr('id', newId)
  info.attr('onmouseover', info.attr('onmouseover').replace(oldId, newId))
  el.before(newEl)
  newEl.click(sortByValue)
})

function sortByValue() {
  var oldRows = allRows()
  var header = $('.value.header')
  var up = header.is('.headerSortUp')
  $('.headerSortUp, .headerSortDown')
    .removeClass('headerSortUp')
    .removeClass('headerSortDown')
  header.addClass(up ? 'headerSortDown' : 'headerSortUp')
  var sorted = oldRows.sort(function (a, b) {
    function f (x) {
      return parseFloat($(x).find('.value').attr('data-sort'), 10)
    }
    return up
      ? f(a) - f(b)
      : f(b) - f(a)
  })
  var parent = oldRows.eq(0).parent()
  oldRows.remove()
  parent.prepend(sorted)
}

sortByValue()

},2000)