<!DOCTYPE html>
<html>

<head>

</head>
<body>
    <h1>coinbase balance</h1>
    <button type="button" onClick="watchBalance();">watch balance</button>
    <div></div>
    <div id="coinbase"></div>
    <div id="original"></div>
    <div id="current"></div>
    <div id="diff"></div>



    <script type="text/javascript" src="../node_modules/bignumber.js/bignumber.min.js"></script>
<script type="text/javascript" src="../dist/czr.min.js"></script>
<script type="text/javascript">
   
   var coinbase =document.g