JavaScript就这么回事2:浏览器输出
26 访问document对象
<script language=”JavaScript”>
var myURL = document.URL;
window.alert(myURL);
</script>
27 动态输出HTML
<script language=”JavaScript”>
document.write(“<p>Here’s some information about this document:</p>”);
document.write(“<ul>”);
document.write(“<li>Referring Document: “ + document.referrer + “</li>”);
document.write(“<li>Domain: “ + document.domain + “</li>”);
document.write(“<li>URL: “ + document.URL + “</li>”);
document.write(“</ul>”);
</script>
28 输出换行
document.writeln(“<strong>a</strong>”);
document.writeln(“b”);
29 输出日期
<script language=”JavaScript”>
var thisDate = new Date();
document.write(thisDate.toString());
</script>
30 指定日期的时区
<script language=”JavaScript”>
var myOffset = -2;
var currentDate = new Date();
var userOffset = currentDate.getTimezoneOffset()/60;
var timeZoneDifference = userOffset - myOffset;
currentDate.setHours(currentDate.getHours() + timeZoneDifference);
document.write(“The time and date in Central Europe is: “ + currentDate.toLocaleString());
</script>
31 设置日期输出格式
<script language=”JavaScript”>
var thisDate = new Date();
var thisTimeString = thisDate.getHours() + “:” + thisDate.getMinutes();
var thisDateString = thisDate.getFullYear() + “/” + thisDate.getMonth() + “/” + thisDate.getDate();
document.write(thisTimeString + “ on “ + thisDateString);
</script>
32 读取URL参数
<script language=”JavaScript”>
var urlParts = document.URL.split(“?”);
var parameterParts = urlParts[1].split(“&”);
for (i = 0; i < parameterParts.length; i++) {
var pairParts = parameterParts.split(“=”);
var pairName = pairParts[0];
var pairValue = pairParts[1];
document.write(pairName + “ :“ +pairValue );
}
</script>
你还以为HTML是无状态的么?
33 打开一个新的document对象
<script language=”JavaScript”>
function newDocument() {
document.open();
document.write(“<p>This is a New Document.</p>”);
document.close();
}
</script>
34 页面跳转
<script language=”JavaScript”>
window.location = “http://www.liu21st.com/”;
</script>
35 添加网页加载进度窗口
<html>
<head>
<script language='javaScript'>
var placeHolder = window.open('holder.html','placeholder','width=200,height=200');
</script>
<title>The Main Page</title>
</head>
<body onLoad='placeHolder.close()'>
<p>This is the main page</p>
</body>
</html>
