type="text/javascript" 现在应不用写了,默认脚本就是javasript
2016-06-23
已采纳回答 / 慕仰6384526
1.没有写错var mychar; //先声明变量mycharmychar="javascript"; //给变量mychar赋值var mynum = 6; //声明变量mynum并将6赋值给mynum2.赋值可以是数字,加双引号是字符串
2016-06-23
function rec(){
var mayessage=confirm(你约了吗?);
if(myessage==true)
{document .write("感觉不错呦!")}
else
{document .write("你太Low了")}
}
var mayessage=confirm(你约了吗?);
if(myessage==true)
{document .write("感觉不错呦!")}
else
{document .write("你太Low了")}
}
2016-06-23
<h2 id="con">I Hate JavaScript</H2>
<p>文本内容</p>
<script type="text/javascript">
var mychar= document.getElementById("con");
con.style.color="#fff";
con.style.backgroundColor="#f60";
con.style.width="300px";
con.style.height="30px";
mychar.innerHTML="I LOVE JAVASCRIPT";
<p>文本内容</p>
<script type="text/javascript">
var mychar= document.getElementById("con");
con.style.color="#fff";
con.style.backgroundColor="#f60";
con.style.width="300px";
con.style.height="30px";
mychar.innerHTML="I LOVE JAVASCRIPT";
2016-06-23
function add(){
var p1 = document.getElementById("p1");
p1.className = p1.className== "one" ? "two" :"one" ;
}
function modify(){
var p2 = document.getElementById("p2");
p2.className = p2.className== "one" ? "two" :"one" ;;
}
var p1 = document.getElementById("p1");
p1.className = p1.className== "one" ? "two" :"one" ;
}
function modify(){
var p2 = document.getElementById("p2");
p2.className = p2.className== "one" ? "two" :"one" ;;
}
2016-06-23