clipboardjs.html

   <!-- 1. Define some markup -->
    <div id="btn" data-clipboard-text="1">
        <span>Copy</span>
    </div>

    <!-- 2. Include library -->
    <script src="clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard by passing a HTML element -->
    <script>
    var btn = document.getElementById('btn');
    var clipboard = new Clipboard(btn);
    clipboard.on('success', function(e) {
        console.log(e);
    });
    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>