Steam data mining

total_money_spent.js

// Total money spent on steam. Not so smart: it just summarize "Total" column on current page.
// 1. Open in browser:
//    https://store.steampowered.com/account/history/
// 2. Open browser console:
//    1. Press `F12`
//    2. Choose `Console tab`
// 3. Paste the line below and press `Enter`.

console.log("Total spent: "+[...document.querySelectorAll(".wallet_table_row>.wht_total")].map(function(x){return parseFloat(x.textContent.trim().match(/^\S+/)[0].replace(",","."))}).reduce(function(a,b){return a+b}).toFixed(2));