JavaScript Document own method: open()
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The open() method (when applied to the
document object of the JavaScript
DOM) opens an
HTML output stream (into which output from write()
or writeln() can go).
It
has the following syntax with the following parameters. It does not return
any value.
document.open(MIMEtype, replace)
Parameter
|
Required / Optional
|
Description
|
MIMEtype
|
Optional
|
The MIME type of the
document being written to (default is "text/html".
|
replace
|
Optional
|
If set (i.e. present)
then the history entry for the new document inherits the one for the document
which opened it
|
Once all writes to the
document have taken place, the document.close() method causes any output to be
displayed. If a document already exists in the target then it will be cleared.
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>
table,td,tr,th,caption {border: thin solid black; border-collapse: collapse;}
</style>
</head>
<body>
Click anywhere on the document to open a new document<br><br>
<table >
<tr><th>Dom method</th><th>Value returned</th></tr>
<tr><td>Open</td><td id="x1"></td></tr>
</table>
<script>
document.addEventListener("click", addevent, false)
function addevent() {
document.open()
}
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedJavaScriptMethodDomOpen() {
return !!document.open;
} |
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