js复制文本，支持各种手机端

点击按钮复制文本，文本可以不用显示，同时支持各种手机端；

方便制作淘宝客链接，可同时展示多个按钮

<div align="center">
    <div id="shop1" style=" font-size:0;">￥3EVabwQtX01￥</div>
    <input type="button" value="优农宣威" onclick="copyText('shop1')" />
</div>
<script type="text/javascript">
    function copyText(shop) {
        const range = document.createRange();
        range.selectNode(document.getElementById(shop));

        const selection = window.getSelection();
        if(selection.rangeCount > 0) selection.removeAllRanges();
        selection.addRange(range);
        document.execCommand('copy');
        alert("复制成功！打开手机淘宝即可查看");
    }
</script>