菜鸟学习javascript实例教程(11)

2008-02-23 07:41:41来源:互联网 阅读 ()

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</head>
<body>

<form>
<input type="button" onclick="changeurl()" value="Change url">
</form>
<p>Right-click inside the two frames and select "View Source" to see the source code.</p>
</body>

</html>

更新2个以上的页面

<html>
<frameset cols="70%,*" frameborder="1">
<frame src="frames_sourcepage2.htm">
<frameset rows="30%,*" frameborder="1">
<frame name="uframe" src="frame_a.htm">
<frame name="lframe" src="frame_b.htm">
</frameset>
</frameset>
</html>

<html>
<head>
<script type="text/javascript">
function changeurl()
{
parent.uframe.location.href="frame_c.htm"
parent.lframe.location.href="frame_d.htm"
}
</script>
</head>

<body>
<form>
<input type="button" value="Change url" onclick="changeurl()">
</form>
<p>Right-click inside the three frames and select "View Source" to see the source code.</p>
</body>

</html>

更新两个IFRAME

<html>
<head>
<script type="text/javascript">
function twoframes()
{
document.all("frame1").src="frame_c.htm"
document.all("frame2").src="frame_d.htm"
}
</script>
</head>

<body>
<iframe src="frame_a.htm" name="frame1"></iframe>
<iframe src="frame_b.htm" name="frame2"></iframe>
<br />
<form>
<input type="button" onclick="twoframes()" value="Change url of the two iframes">
</form>
</body>

</html>


图象对象

改变图象的高度

<html>
<head>
<script type="text/javascript">
function setHeight()
{
var x=document.images
x[0].height="250"
}
</script>
</head>

<body>
<img src="compman.gif" width="107" height="98" />
<form>
<input type="button" onclick="setHeight()" value="Change height of image">
</form>
</body>

</html>


改变图象

<html>
<head>
<script type="text/javascript">
function setSrc()
{
var x=document.images
x[0].src="hackanm.gif"
}
</script>
</head>

<body>
<img src="compman.gif" width="107" height="98" />
<form>
<input type="button" onclick="setSrc()" value="Change image">
</form>
</body>

</html>


改变图象的宽度

<html>
<head>
<script type="text/javascript">
function setWidth()
{
var x=document.images
x[0].width="300"
}
</script>
</head>

<body>
<img src="compman.gif" width="107" height="98" />
<form>
<input type="button" onclick="setWidth()" value="Change Width">
</form>
</body>

</html>


定位:

显示当前页的地址和改变当前页的地址

<html>
<head>
<script type="text/javascript">
function curr_Location()
{
alert(location)
}
function change_Location()
{
window.location="http://www.w3schools.com"
}
</script>
</head>

<body>
<form>
<input type="button" onclick="curr_Location()" value="Show current URL">
<input type="button" onclick="change_Location()" value="Change URL">
</form>
</body>

</html>


刷新页面

<html>
<head>
<script type="text/javascript">
function refresh()
{
window.location.reload()
}
</script>
</head>

<body>
<form>
<input type="button" value="Refresh page" onclick="refresh()">
</form>
</body>

</html>

导航对象


检测你的浏览器

<html>

<body>
<script type="text/javascript">
document.write("You are browsing this site with: " navigator.appName)
</script>
</body>

</html>


显示浏览器更加详细的信息

<html>
<body>
<script type="text/javascript">
document.write("<p>Browser: ")
document.write(navigator.appName "</p>")

document.write("<p>Browserversion: ")
document.write(navigator.appVersion "</p>")

document.write("<p>Code: ")
document.write(navigator.appCodeName "</p>")

document.write("<p>Platform: ")
document.write(navigator.platform "</p>")

document.write("<p>Cookies enabled: ")
document.write(navigator.cookieEnabled "</p>")

document.write("<p>Browser's user agent header: ")
document.write(navigator.userAgent "</p>")
</script>
</body>
</html>

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