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Document open() Method
Document Object
Definition and Usage
The open() method opens an output stream to collect the output from any document.write() or document.writeln() methods.
Once all the writes are performed, the document.close() method causes any output written to the output stream to be displayed.
Note: If a document already exists in the target, it will be cleared. If this method has no arguments, a new window (about:blank) is displayed.
Syntax
document.open(MIMEtype,replace)
| Parameter | Description |
|---|---|
| MIMEtype | Optional. The type of document you are writing to. Default value is "text/html" |
| replace | Optional. If set, the history entry for the new document inherits the history entry from the document which opened this document |
Browser Support
The open() method is supported in all major browsers.
Example
Example
Open an output stream, add some text, then close the output stream:
<html>
<head>
<script>
function createDoc()
{
var doc=document.open("text/html","replace");
var txt="<html><body>Learning about the HTML DOM is fun!</body></html>";
doc.write(txt);
doc.close();
}
</script>
</head>
<body>
<input type="button" value="New document" onclick="createDoc()">
</body>
</html>
<head>
<script>
function createDoc()
{
var doc=document.open("text/html","replace");
var txt="<html><body>Learning about the HTML DOM is fun!</body></html>";
doc.write(txt);
doc.close();
}
</script>
</head>
<body>
<input type="button" value="New document" onclick="createDoc()">
</body>
</html>
Try it yourself »
Example 2
Open an output stream (in a new window; about:blank), add some text, then close the output stream:
<html>
<body>
<script>
var w=window.open();
w.document.open();
w.document.write("<h1>Hello World!</h1>");
w.document.close();
</script>
</body>
</html>
<body>
<script>
var w=window.open();
w.document.open();
w.document.write("<h1>Hello World!</h1>");
w.document.close();
</script>
</body>
</html>
Try it yourself »
Document Object
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