最新回答 / 石塘一枝花
用emoveAttribute就可以了，function cancle(){ var str=confirm("你确定要取消修改设置吗"); if(str) document.getElementById("txt").removeAttribute("style")
2016-04-28
已采纳回答 / 20160101cui
function hidden(){ first.style.display="none"; second.style.display="none"; }<...图片...>
2016-04-27
function openWindow()
{ var ensure=confirm("是否打开？");
if(ensure==true)
{var test=prompt("请输入网址","www.imooc.com");
window.open('test','_blank','width=400,height=500,top=100,toolbar=no,menubar=no'); }
else
{document.write("一边玩去");}
}
{ var ensure=confirm("是否打开？");
if(ensure==true)
{var test=prompt("请输入网址","www.imooc.com");
window.open('test','_blank','width=400,height=500,top=100,toolbar=no,menubar=no'); }
else
{document.write("一边玩去");}
}
<script type="text/javascript">
var mychar= document.getElementById("con");
document.write("原标题:"+mychar.innerHTML+"<br>"); //输出原h2标签内容
mychar.innerHTML = "Hello World!";
document.write("修改后的标题:"+mychar.innerHTML); //输出修改后h2标签内容
</script>
var mychar= document.getElementById("con");
document.write("原标题:"+mychar.innerHTML+"<br>"); //输出原h2标签内容
mychar.innerHTML = "Hello World!";
document.write("修改后的标题:"+mychar.innerHTML); //输出修改后h2标签内容
</script>
2016-04-27
onClick =" gaibiankuangao()">
function gaibianyanse()
{
var text = document.getElementById("txt");
text.style.color = "red";
text.style.backgroundColor = "#ccc";
}
function gaibiankuangao()
{
var text = document.getElementById("txt");
text.style.width = "300px";
text.style.height = "200px";
}
function gaibianyanse()
{
var text = document.getElementById("txt");
text.style.color = "red";
text.style.backgroundColor = "#ccc";
}
function gaibiankuangao()
{
var text = document.getElementById("txt");
text.style.width = "300px";
text.style.height = "200px";
}
<script type="text/javascript">
function openWindow(){
var lwq=confirm("确认打开新建窗口吗？");
if(lwq==true)
{
window.open('url','http：//www.imooc.com/','width=400px,height=500px,menubar=no,toolbar=no');
}
else
{
window.clos();
}
}
</script>
function openWindow(){
var lwq=confirm("确认打开新建窗口吗？");
if(lwq==true)
{
window.open('url','http：//www.imooc.com/','width=400px,height=500px,menubar=no,toolbar=no');
}
else
{
window.clos();
}
}
</script>
function openWindow(){
var myconfirm=confirm("是否打开？");
if(myconfirm==true){myurl();}
}
function myurl(){var myopen=prompt("请输入网址","http://www.imooc.com/");if(myopen!=null){mywidiow();}}
function mywidiow(){window.open('myopen','_blank','width=400','height=500','menubar=no','toolbar=no');}
var myconfirm=confirm("是否打开？");
if(myconfirm==true){myurl();}
}
function myurl(){var myopen=prompt("请输入网址","http://www.imooc.com/");if(myopen!=null){mywidiow();}}
function mywidiow(){window.open('myopen','_blank','width=400','height=500','menubar=no','toolbar=no');}