<script type="text/javascript">
function app(){
var mynum=prompt();
if(mynum>=60){
document.write("考及格啦，爸爸奖了100块给我");
}
else{
document.write("没考及格，爸爸让我体会了降龙十八掌的滋味");
};
};
</script>
function app(){
var mynum=prompt();
if(mynum>=60){
document.write("考及格啦，爸爸奖了100块给我");
}
else{
document.write("没考及格，爸爸让我体会了降龙十八掌的滋味");
};
};
</script>
2016-07-04
function oPen(){
var mywin=window.open('http://www.imooc.com','_blank','width=600','height=400','top=100','left=0');
}
mywin.close()
<input type="button" value="打开" onClick="oPen()"/>
<input type="button" value="关闭" onClick="mywin.close()"/>
广告模式打开，关闭
var mywin=window.open('http://www.imooc.com','_blank','width=600','height=400','top=100','left=0');
}
mywin.close()
<input type="button" value="打开" onClick="oPen()"/>
<input type="button" value="关闭" onClick="mywin.close()"/>
广告模式打开，关闭
2016-07-04
function openWindow(){
var mymessage=confirm("是否打开新的网站？");
if(mymessage==true){
var url=prompt("请输入一个网址：","http://www.imooc.com/");
window.open(url,'_blank','width=400px,height=500px,menubar=no,toolbar=no');
}
}
var mymessage=confirm("是否打开新的网站？");
if(mymessage==true){
var url=prompt("请输入一个网址：","http://www.imooc.com/");
window.open(url,'_blank','width=400px,height=500px,menubar=no,toolbar=no');
}
}
已采纳回答 / Long431X
function hidetext() { var mychar = document.getElementById("con"); mychar.style.visibility="hidden"; } function showtext() { var mychar = document.getElementById("con"); mychar.style.visibility="visible"; }
2016-07-03