WIP: Get subtotal for all items in a given amazon wishlist

getWishlistTotal.js

var divs = document.getElementsByTagName("div");
var products = [];
for (var i = 0; i < divs.length; i ++) {
  if (/^item_price_/.test(divs[i].id)) {
    products.push(divs[i]);
  }
}

var rawPrices = [];
var priceClass = /-price\b/;
for (var j = 0; j < products.length; j++) {
  for (var k = 0; k < products[j].children.length; k++) {
    for (var l = 0; l < products[j].children[k].classList.length; l++) {
      if (priceClass.test(products[j].children[k].classList[l])) {
        rawPrices.push(products[j].children[k].innerText);
      }
    }
  }
}
var priceRe = /^\$[0-9]*\.?[0-9]{0,2}\b/;
var truePrices = [];
rawPrices.forEach(function(rawPrice) {
  if (priceRe.test(rawPrice)) {
    truePrices.push(rawPrice.replace("$", ""));
  }
});
var actualPrices = [];
truePrices.forEach(function(truePrice) {
  actualPrices.push(new Number(truePrice));
});
var total = 0;
actualPrices.filter(function(amount) {
  total += amount;
});
console.log(total);