mg667
2015-01-05 07:59
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" Content="text/html; charset=utf-8" />
<title>javascript</title>
<style type="text/css">
body{font-size:12px;}
#txt{
height:400px;
width:600px;
border:#333 solid 1px;
padding:5px;}
p{
line-height:18px;
text-indent:2em;}
</style>
</head>
<body>
<h2 id="con">JavaScript课程</H2>
<div id="txt">
<h5>JavaScript为网页添加动态效果并实现与用户交互的功能。</h5>
<p>1. JavaScript入门篇,让不懂JS的你,快速了解JS。</p>
<p>2. JavaScript进阶篇,让你掌握JS的基础语法、函数、数组、事件、内置对象、BOM浏览器、DOM操作。</p>
<p>3. 学完以上两门基础课后,在深入学习JavaScript的变量作用域、事件、对象、运动、cookie、正则表达式、ajax等课程。</p>
</div>
<form>
<!--当点击相应按钮,执行相应操作,为按钮添加相应事件-->
<input type="button" onclick="ChangeColor()" value="改变颜色">
<input type="button" onclick="ChangeWH()" value="改变宽高">
<input type="button" onclick="ContentHidden()" value="隐藏内容">
<input type="button" onclick="ContentDisplay()" value="显示内容">
<input type="button" onclick="ResetToDefault()" value="取消设置">
</form>
<script type="text/javascript">
//定义"改变颜色"的函数
function ChangeColor(){
var mychar1 = document.getElementById("con");
mychar1.style.color="blue";
var mychar2 = document.getElementById("txt");
mychar2.style.color="blue";
}
//定义"改变宽高"的函数
function ChangeWH(){
var mychar1 = document.getElementById("con");
mychar1.style.width="800";
mychar1.style.height="200";
var mychar2 = document.getElementById("txt");
mychar2.style.width="800";
mychar2.style.height="200";
}
//定义"隐藏内容"的函数
function ContentHidden(){
var mychar1 = document.getElementById("con");
mychar1.style.display="none";
var mychar2 = document.getElementById("txt");
mychar2.style.display="none";
}
//定义"显示内容"的函数
function ContentDisplay(){
var mychar1 = document.getElementById("con");
mychar1.style.display="block";
var mychar2 = document.getElementById("txt");
mychar2.style.display="block";
}
//定义"取消设置"的函数
function ResetToDefault(){
var mymessage=confirm("Are you sure you want to reset all settings to default");
if(mymessage==true)
{
var mychar1 = document.getElementById("con");
var mychar2 = document.getElementById("txt");
mychar2.style.color = "black";
mychar2.style.backgroundColor = "white";
mychar2.style.width = orignWidth;
mychar2.style.height = orignHeight;
mychar2.style.display = "block";
}
else
}
</script>
</body>
</html>
else 两个大括号 不能省,我总是自问自答。。。
JavaScript入门篇
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