Get the itemprop after javascript blasts away fetched html, and og:tags

itemprops.js

jQuery.get(document.location.href, function(html) {
  itemprops = Array.prototype.slice.call(jQuery(html).find("[itemprop]"))
  properties = itemprops.reduce(function(memo, curr) {
    if (curr.tagName == "META") {
      memo[curr.attributes.getNamedItem('itemprop').value] = curr.attributes.getNamedItem('content').value
    } else {
      memo[curr.attributes.getNamedItem('itemprop').value] = curr.innerText.trim();
    }
    return memo;
  }, {})
  og_tags = Array.prototype.slice.call(document.querySelectorAll("[property^=og]"))
  properties = og_tags.reduce(function(memo, curr){
    memo[curr.attributes.getNamedItem('property').value] = curr.attributes.getNamedItem('content').value
    return memo
  }, properties)
  var wanelo = document.querySelector(".wanelo-save-button").attributes;
  properties['wanelo-price'] = wanelo.getNamedItem("data-price").value;
  properties['wanelo-title'] = wanelo.getNamedItem("data-title").value;
  properties['wanelo-image'] = wanelo.getNamedItem("data-image").value;
  console.log(properties);
})