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Editorial Team
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Asked: 2026-05-24T01:42:45+00:00

How can I set the innerHTML , or the whole content of an HTML

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How can I set the innerHTML, or the whole content of an HTML document using javascript?

For example my document would look like this:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta http-equiv="Content-language" content="en"/>
    <title>Webpage Generator</title>
    <script type="text/javascript">
    var newDocument = "&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.01 Transitional//EN&quot; \n\t&quot;http://www.w3.org/TR/html4/loose.dtd&quot;&gt;\n&lt;html&gt;\n&lt;head&gt;\n\t&lt;title&gt;Greetings!&lt;/title&gt;\n&lt;/head&gt;\n&lt;body&gt;\n\t&lt;p&gt;Howdy!&lt;/p&gt;\n&lt;/body&gt;\n&lt;/html&gt;";
    document.innerHTML = newDocument;
    </script>
</head>
<body>
</body>
</html>

But the browser would load the following HTML:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
    "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>Greetings!</title>
</head>
<body>
    <p>Howdy!</p>
</body>
</html>
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1 Answer

  1. Editorial Team

    If you don’t want to use innerHTML you could use document.write(newDocument);.

    If the document hasn’t completely loaded, you’ll need to put document.open() as well (thanks bažmegakapa).

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