https://123bets.github.io/js/calculate-script.js

1/*==== live cryptocurrency calculator =====*/
2var ember = [];
3var usdInput = document.getElementById('amtUSD');
4var btcInput = document.getElementById('amtBTC');
5
6ember.btcPrice = 6549.995;
7ember.socket = io.connect('https://socket.coincap.io');
8ember.socket.on('trades', function(data) {
9    var amt = document.getElementById('amtUSD');
10    if (data.coin == 'BTC') {
11        ember.amtUSD = usdInput.value;
12        ember.amtBTC = btcInput.value;
13        ember.usdCalc = ember.amtBTC * data.msg.price;
14        if(data.msg.price > amt.value) {
15            $(amt).addClass('increment');
16        } else {
17            $(amt).addClass('decrement');
18        }
19        $('#amtUSD').attr('value', ember.usdCalc);
20        setTimeout(function () {
21            $(amt).removeClass('increment decrement');
22        }, 700);
23    }
24});
25
26$('#amtBTC').bind('change paste keyup', function() {
27    ember.usdCalc = $(this).val() * ember.btcPrice;
28    $('#amtUSD').attr('value', ember.usdCalc);
29});