http://wbex.ru/index.php?action=history&feed=atom&title=JavaScript_Tutorial%2FHistory%2FHistoryJavaScript Tutorial/History/History - История изменений2026-04-07T02:57:49ZИстория изменений этой страницы в викиMediaWiki 1.30.0http://wbex.ru/index.php?title=JavaScript_Tutorial/History/History&diff=9091&oldid=prevAdmin: 1 версия2010-05-26T08:24:46Z<p>1 версия</p>
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<p><b>Новая страница</b></p><div>== History==<br />
<br />
<p>The History object allows you to navigate through the history of Websites that a browser has displayed.</p><br />
<p>The browser stores a history of visited URLs in a list, which the History object references.</p><br />
<p>Properties and Methods of the History Object</p><br />
Property<br />
Description<br />
back()<br />
Loads the URL for the previous visited Web site<br />
current<br />
Refers to the current URL in the history list<br />
forward()<br />
Loads the next URL in the history list<br />
go()<br />
Loads a URL from the history list<br />
length<br />
Returns the number of entries in the history list<br />
next<br />
Refers to the next URL in the history list<br />
previous<br />
Refers to the previous URL in the history list<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title> Using the history object to view a list of the browser history</title><br />
<script language="JavaScript"><br />
<!--<br />
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");<br />
--><br />
<br />
</head><br />
<body><br />
<script language="JavaScript"><br />
<!--<br />
for (i=0; i<history.length; i++){<br />
document.writeln(window.history.previous);<br />
}<br />
//End Hide --><br />
</script><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== History.back()==<br />
<br />
<p>The back() method is used to load the URL for the previously visited Web site.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title> Using the back method of the History object</title><br />
</head><br />
<body><br />
<form name=form1><br />
Click on the button to go back to the previous page.<br />
<input type="button" value="Go Back" onClick="window.history.back()"><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== History.current==<br />
<br />
<p>The current property contains a string that specifies the complete URL of the current history entry.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title> Using the current property of the History object</title><br />
</head><br />
<body><br />
<script language="JavaScript"><br />
<!--<br />
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");<br />
--><br />
</script><br />
<form name=form1><br />
<input type="button" value="Get Current" onClick="alert(window.history.current)"><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== History.forward()==<br />
<br />
<p>The forward() method is used to load the URL for the next Web site in the history list.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title> Using the forward method of the History object</title><br />
</head><br />
<body><br />
<form name=form1><br />
Click on the button to go to the forward browser page.<br />
<input type="button" value="Go Forward" onClick="window.history.forward()"><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== History.go()==<br />
<br />
<p>Syntax</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
history.go(num)</source><br />
<br />
<br />
<br />
== History.go(-2)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>History</title><br />
</head><br />
<body><br />
<h1>history object</h1><br />
<a href="" onclick="history.back();return false">history.back()</a><br /><br />
<a href="" onclick="history.go(-2);return false">history.go(-2)</a><br /><br /><br />
<a href="" onclick="history.forward();return false">history.forward()</a><br /><br />
</script><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== History.length==<br />
<br />
<p>The length property is used to get the number of URLs in the history list.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title> Using the length property of the History object</title><br />
</head><br />
<body><br />
<script language="JavaScript"><br />
<!--<br />
var numOfURL = window.history.length;<br />
document.write("The number of URL"s in the history list is: " + numOfURL);<br />
--><br />
</script><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== History.next==<br />
<br />
<p>The next property is used to get the URL for the next entry in the history list.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title> Using the next property of the History object</title><br />
</head><br />
<body><br />
<script language="JavaScript"><br />
<!--<br />
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");<br />
var nextURL = window.history.next;<br />
document.write("The next URL in the history list is: " + nextURL);<br />
--><br />
</script><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== History.previous==<br />
<br />
<p>The previous property is used to get the URL for the previous entry in the history list.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title> Using the previous property of the History object</title><br />
</head><br />
<body><br />
<script language="JavaScript"><br />
<!--<br />
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");<br />
--><br />
</script><br />
<form name=form1><br />
<input type="button" value="Get Previous" onClick="alert(window.history.previous)"><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Simulated Back and Forward Buttons by using the history object==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>Simulated Back and Forward Buttons</title><br />
</head><br />
<body><br />
<h1>Simulated Back and Forward Buttons</h1><br />
<P><a href="javascript:history.back()">Back</a> |<br />
<a href="javascript:history.forward()">Forward</a></p><br />
</body><br />
</html></source></div>