<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
<meta name="keywords" content="">
<meta name="description" content="">
<meta name="format-detection" content="telephone=no" />
<title>去除移动端 alert / confirm 显示的 url</title>
</head>
<body>
<input type="button" value="测试" onclick="test()" />
<input type="button" value="测试2" onclick="test2()" />
<script type="text/javascript" charset="utf-8">
// remove url of alert
var wAlert = window.alert;
window.alert = function(message) {
try {
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 iwindow = alertFrame.window;
if (iwindow == undefined) {
iwindow = alertFrame.contentWindow;
}
iwindow.alert(message);
iframe.parentNode.removeChild(iframe);
} catch (exc) {
return wAlert(message);
}
}
// remove url of confirm
var wConfirm = window.confirm;
window.confirm = function(message) {
try {
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 iwindow = alertFrame.window;
if (iwindow == undefined) {
iwindow = alertFrame.contentWindow;
}
var result = iwindow.confirm(message);
iframe.parentNode.removeChild(iframe);
return result;
} catch (exc) {
return wConfirm(message);
}
}
function test() {
var r = confirm("Press a button");
if (r == true) {
document.write("You pressed OK!");
alert("您点了确定!");
} else {
document.write("You pressed Cancel!");
alert("您点了取消!");
}
}
function test2() {
var score; //分数
var degree; //分数等级
score = prompt("你的分数是多少？")
if (score >= 0 && score <= 100) {
switch (parseInt(score / 10)) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
degree = "恭喜你，挂科了！";
break;
case 6:
degree = "勉强，勉强。";
break;
case 7:
degree = "凑合，凑合。"
break;
case 8:
degree = "不错，不错。";
break;
case 9:
case 10:
degree = "高手，高手。";
} //end of switch
} else {
degree = '您的输入有错！';
} //end of else
alert(degree);
}
</script>
</body>
</html>
一辈子很短，努力的做好两件事就好；第一件事是热爱生活，好好的去爱身边的人；第二件事是努力学习，在工作中取得不一样的成绩，实现自己的价值，而不是仅仅为了赚钱。