5-4请检查
来源：5-4 编程练习
brown_one
2020-09-08 12:40:28
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>userAgent</title>
</head>
<body>
<input type="button" value="点击获取浏览器信息" id="browser">
<script type="text/javascript">
//补充代码
var browser = document.getElementById("browser");
browser.onclick = function(){
function getBrowser(){
var explore = navigator.userAgent,browser;
if(explore.indexOf("MSIE") > -1){
browser = "IE";
}else if(explore.indexOf("Firefox") > -1){
browser = "火狐";
}else if(explore.indexOf("Chrome") > -1){
browser = "谷歌";
}
return browser;
}
var explore = getBrowser();
alert("您使用的浏览器是" + explore + "浏览器");
}
</script>
</body>
</html>
1回答
-
好帮手慕言
2020-09-08
同学你好，效果是正确的，继续加油，祝学习愉快~
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