js復制文本，支持各種手機端

點擊按鈕復制文本，文本可以不用顯示，同時支持各種手機端；

方便制作淘寶客鏈接，可同時展示多個按鈕

<div align="center">
    <div id="shop1" style=" font-size:0;">￥3EVabwQtX01￥</div>
    <input type="button" value="優農宣威" 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("復制成功！打開手機淘寶即可查看");
    }
</script>