Posted in Javascript onSeptember 16, 2013
这一期介绍一些简单的事件处理：
1.鼠标点击
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content=""> <script type="text/javascript">
function click1(obj)
{
alert(obj.innerHTML);
}
</script>
</head>
<body>
<div onclick="click1(this)" style="cursor:pointer">点击我吧</div>
</body>
</html> this即div的上下文，点击后会弹出<div>之间的内容。
2.鼠标移动
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content=""> <script type="text/javascript">
function mouse1(obj)
{
obj.style.color = "#f00";
obj.style.fontSize = "18px"
}
function mouse2(obj)
{
obj.style.color = "#000";
obj.style.fontSize = "16px"
}
</script>
</head>
<body>
<div onmouseover="mouse1(this)" onmouseout="mouse2(this)">移动到这儿</div>
</body>
</html> onmouseover鼠标放到那儿时，会把字体变大，字体成为红色，离开时字体和颜色恢复。
3.with用法
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content=""> <script type="text/javascript">
with(document)
{
write("niujiabin"+"<br/>");
write("maybe"+"<br/>");
write("gossip"+"<br/>");
}
</script>
</head>
<body>
</body>
</html> 效果与如下相同
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content=""> <script type="text/javascript">
document.write("niujiabin"+"<br/>");
document.write("maybe"+"<br/>");
document.write("gossip"+"<br/>");
</script>
</head>
<body>
</body>
</html> javascript简单事件处理和with用法介绍
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