<html> <head> <title>Selector</title> <script language="javascript"> var i = 0 ; function copyContact(){ var contat = document.getElementById("inquiryContact1").value; window.clipboardData.setData('text', contat); if(window.clipboardData.getData('text')==''){ if(i==1){ alert("复制失败,请手动Ctrl+C快捷键复制!"); }else{ alert("复制失败,请重新复制!"); i = 1; } }else{ alert("内容已经复制到剪贴板!"); } } </script> <body> <input id='inquiryContact1' ></input> <input type="button" id="button" name="button" value="复制" onclick="copyContact()"/> </body> </html>