手机端页面常用点

 // let text = document.createElement(‘input‘);
            //document.body.appendChild(text);
            //text.value = this.phoneNumber;
    let text = document.getElementById("biao1");
            text.select();
            document.execCommand(‘Copy‘);
            text.style.display = ‘none‘;
            this.mark();
            console.log(‘  复制成功 ‘);