清除ios系统alert弹出框的域名
<script> window.alert = function(name) { var iframe = document.createElement("IFRAME"); iframe.style.display = "none"; iframe.setAttribute("src", 'data:text/plain,'); document.documentElement.appendChild(iframe); window.frames[0].window.alert(name); iframe.parentNode.removeChild(iframe); }; window.confirm = function(message) { var iframe = document.createElement("IFRAME"); iframe.style.display = "none"; iframe.setAttribute("src", 'data:text/plain,'); document.documentElement.appendChild(iframe); var alertFrame = window.frames[0]; var result = alertFrame.window.confirm(message); iframe.parentNode.removeChild(iframe); return result; }; </script>