<script type="text/javascript">
function add(){
var p1 = document.getElementById("p1");
p1.className = "one";
}
function modify(){
var p2 = document.getElementById("p2");
p2.className = "two";
}
</script>
function add(){
var p1 = document.getElementById("p1");
p1.className = "one";
}
function modify(){
var p2 = document.getElementById("p2");
p2.className = "two";
}
</script>
2015-12-30
<script type="text/javascript">
function hidetext(){
var mychar = document.getElementById("con");
mychar.style.display = 'none';
}
function showtext(){
var mychar = document.getElementById("con");
mychar.style.display = 'block';
}
</script>
function hidetext(){
var mychar = document.getElementById("con");
mychar.style.display = 'none';
}
function showtext(){
var mychar = document.getElementById("con");
mychar.style.display = 'block';
}
</script>
2015-12-30
<script type="text/javascript">
var mystr="我是";
var mychar="JavaScript";
document.write(mychar+"<br>")
document.write(mystr+mychar+"的忠实粉丝")
</script>
var mystr="我是";
var mychar="JavaScript";
document.write(mychar+"<br>")
document.write(mystr+mychar+"的忠实粉丝")
</script>
2015-12-30
function gbys(){
var aa=document.getElementById("txt");
aa.style.color="red";
}
function gbkd(){
var bb=document.getElementById("txt");
bb.style.width="300px";
}
function ycnr(){
var cc=document.getElementById("txt");
cc.style.display="none";
var aa=document.getElementById("txt");
aa.style.color="red";
}
function gbkd(){
var bb=document.getElementById("txt");
bb.style.width="300px";
}
function ycnr(){
var cc=document.getElementById("txt");
cc.style.display="none";
<script type="text/javascript">
function hidetext()
{
var mychar = document.getElementById("con");
mychar.style.display='none';
}
function showtext()
{
var mychar = document.getElementById("con");
mychar.style.display='block';
}
function hidetext()
{
var mychar = document.getElementById("con");
mychar.style.display='none';
}
function showtext()
{
var mychar = document.getElementById("con");
mychar.style.display='block';
}
2015-12-30
function openWindow(){
var mymessage = confirm('是否确认要输入网址？')
if(mymessage==true){
var mynet = prompt("请输入网址,请以http://开头，如http://www.imooc.com");
window.open(mynet,'_blank','menubar=no,toolbar=no,width=400,height=500')
}
else{
alert("再见！")
}
}
var mymessage = confirm('是否确认要输入网址？')
if(mymessage==true){
var mynet = prompt("请输入网址,请以http://开头，如http://www.imooc.com");
window.open(mynet,'_blank','menubar=no,toolbar=no,width=400,height=500')
}
else{
alert("再见！")
}
}
需要在document.getElementById("con")后面加上.innerHTML输出的结果才是JavaScript
2015-12-29
<style>
body{font-size:18px;}
.one{
border:1px solid blue;
width:230px;
height:50px;
background="#fcc";
color:red;
}
.two{
border:2px solid green;
width:230px;
height:50px;
background-color:"#ccc";
color:red:
}
</style>
body{font-size:18px;}
.one{
border:1px solid blue;
width:230px;
height:50px;
background="#fcc";
color:red;
}
.two{
border:2px solid green;
width:230px;
height:50px;
background-color:"#ccc";
color:red:
}
</style>
2015-12-29
