JavaScript DHTML/Javascript Objects/document — различия между версиями

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Текущая версия на 07:23, 26 мая 2010

Active Element

 
    
<html>
<body onLoad="myButton.focus();">
<input type="Button" id="myButton" value="Element 1" onClick="function1();">
<script language="JavaScript">
function function1() {
    var m = document.activeElement.value;
    alert("The active element is "+m); 
} 
</script>
</body>
</html>



Create a Comment

 
    
<html>
<body>
Body content.
<script language="JavaScript">
    document.createComment("This is the comment text");
</script>
</body>
</html>



Document compatMode

 
    
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3c.org/TR/html4/loose.dtd">
<html>
<head>
<script language="JavaScript">
    function function1() {
        alert(document.rupatMode);
    } 
</script>
</head>
<body>
<button onclick ="function1();">CompatMode</button>
</body>
</html>



Document design Mode

 
    
<html>
<body>
<button onclick="alert(document.designMode);">Design Mode Status</button>
</body>
</html>



Document doctype

 
    
<!doctype html public "-//w3c//dtd html 4.0//en-us">
<html>
<head>
<script language="JavaScript">
    function function1() {
        alert(document.doctype); 
    }
</script>
</head>
<body>
    <input type="button" onClick="function1();" value="doctype">
</body>
</html>



Document Domain

 
    
<html>
<body>
<script language="JavaScript">
function function1() {
    var m = document.domain;
    if (m) {
        alert(m);
    } else {
        alert("No security domain");
    }
}
</script>
<input type="button" onClick="function1();" value="Domain Name">
</body>
</html>



Document Link color

 
    
<html>
<body onload="document.body.link = "blue";">
<script language="JavaScript">
function function1() {
    document.linkColor = "green";
}
</script>
<a href="http://www.wbex.ru">wbex.ru Web page</a>
<input type="button" value="Change the link color to green" onClick="function1();">
</body>
</html>



Document parentWindow

 
    
<html>
<body>
<script language="JavaScript">
    function function1() {
        alert(document.parentWindow.frames.length);
    }
</script>
<input type="button" 
       value="How many frames in this window?" 
       onclick="function1();">
</body>
</html>



Document referrer

 
    
<html>
<body>
<script language="JavaScript">
function function1() {
    var m = document.referrer; 
    alert(m);
} 
</script>
<input type="button" value="Get referrer" onclick="function1();">
</body>
</html>



Document title Example

 
    
<html>
<head>
<title>properties_title</title>
<script language="JavaScript">
    function function1() {
        document.title = "This is the new title ";
    }
    function function2() {
        var n = document.title; alert(n);
    }
</script></head>
<body>
<button onclick="function1();">Click here to change the title of this page</button>
<button onclick="function2();">Click here to display the title of this page</button>
</body></html>



Document "URLUnencoded" Example

 
    
<html>
<body>
<button onclick="alert(document.URLUnencoded);">URL Unencoded</button>
</body>
</html>



Execute Command

 
    
<html>
<body>
<script language="JavaScript">
function function1() {
    document.execCommand("Refresh", "false", "false");
}
</script>
<button onclick="function1();">Refresh page</button>
</body>
</html>



"expando" Example

 
    
<html>
<body>
<p id="myElement">Sample text, try to select part of it</p>
<script language="JavaScript">
function function1() {
    myElement.setAttribute("unselectable", "off", 0);
    document.expando = true;
}
function function2() {
    myElement.setAttribute("unselectable", "on", 0);
    document.expando = true;
}
</script>
<button onclick="function2();">Unselectable</button>
<button onclick="function1();">Selectable</button>
</body>
</html>



Expose the prperties of Objects

   
<html>
<head>
<title>Expose the Objects</title>
</head>
<body>
<script type="text/javascript">
for (docprop in document) {
   document.writeln(docprop + "=");
   eval ("document.writeln(document." + docprop + ")");
   document.writeln("<br />");
}
</script>
</body>
</html>



Print page out

   

<html> 
<head> 
<title>Print()</title> 
</head> 
<body> 
<form> 
<input type="button" name="printWhole" value="Print Entire Frameset" 
onclick="parent.print()" /> 
<p>
</body> 
</html>



"URL" Example

 
    
<html>
<body>
<button onclick="alert(document.URL);">URL</button>
</body>
</html>



Use document.links collection

   
<html>
<head>
<title>Reference</title>
</head>
<body>
<a href="http://www.wbex.ru">wbex.ru</a>
<p>
<script type="text/javascript">
for (var i = 0; i < document.links.length; i++) {
  var link = document.links[i];
  document.writeln(link.title + " : " +  link.href + "<br />");
}
</script>
</p>
</body>
</html>



"write()" Example

 
    
<html>
<body>
<script language="JavaScript">
function function1() {
    var m = "<p>This is a sample text. First paragraph.</p>";
    m += "<p>This is the second paragraph.</p>"
    document.write(m); 
}
</script>
<input type="button" value="Add some HTML content to this page" onClick="function1();">
</body>
</html>



"writeln()" Example

 
    
<html>
<body>
<script language="JavaScript">
function function1() {
    var m = "<p">This is a sample text. First paragraph.</p>";
    m += "<p>This is the second paragraph.</p>"
    document.writeln(m); 
}
</script>
<input type="button" value="Add some HTML content to this page" onClick="function1();">
</body>
</html>
Источник — «http://wbex.ru/index.php?title=JavaScript_DHTML/Javascript_Objects/document&oldid=2725»