<head>
<meta/>
<title>i learning js now</title>
<script type="text/javascript">
function haha()
var mymessage=confirm("Do you like bone?")
if(mymessage= =ture)
{
document.write("i know,you are a puppy");
}
else
{
document.write("be a lonely dog,come on");
}
</script>
</head>
<body>
<form>
<input type="button" value="haha" onclick="haha()">
</form>
</body>
</html>
4 回答
已采纳
刚毅87
TA贡献345条经验 获得超309个赞
<head>
<meta/>
<title>i learning js now</title>
<script type="text/javascript">
//函数少写大括号了
function haha(){
var mymessage = confirm("Do you like bone?")
//'=='中间不能加空格
if (mymessage == ture) {
document.write("i know,you are a puppy");
} else {
document.write("be a lonely dog,come on");
}
}
</script>
</head>
<body>
<form>
<input type="button" value="haha" onclick="haha()">
</form>
</body>
</html>你的错误我都写在代码中了.
望采纳!
ybc4652
TA贡献20条经验 获得超50个赞
function haha(){
var mymessage=confirm("Do you like bone?")
if(mymessage==true){
document.write("i know,you are a puppy");
}else{
document.write("be a lonely dog,come on");
}
}
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