StackOverflow Question - remove $ from dataLayer total - google tag manager
http://stackoverflow.com/questions/29288664/remove-from-datalayer-total-google-tag-manager
JavaScript
var summary = {total_formatted: '$ 1000'};
var dataLayer = [];
dataLayer.push({'subtotal' : summary.total_formatted.replace('$','')});
console.log(JSON.stringify(dataLayer));