JS实现移动端点击按钮复制文本内容

<div><p>邀请码</p>//<p id="inviteCode" class="inviteCode">{{invite_code}}</p><input id="inviteCode" class="inviteCode" type="text" /><p class="copy">复制</p></div>copy() {var Url2 = this.invite_code;//var oInput = document.createElement("input");var oInput = document.getElementById("inviteCode");//oInput.value = Url2;// document.body.appendChild(oInput);oInput.select();// 选择对象//document.execCommand("Cut","false",null);// 执行浏览器剪切命令document.execCommand("Copy");// 执行浏览器复制命令//oInput.className = "oInput";//oInput.style.display = "none";alert("复制成功");//console.log(document.execCommand("Copy"))},