Write some HTML elements directly to the HTML output:
document.write("Have a nice day!
");Using document.write() after a document is loaded, deletes all existing HTML:
// This should be avoided:More examples below.
The write() method writes directly to an open (HTML) document stream.
The write() method deletes all existing HTML when used on a loaded document.
The write() method cannot be used in XHTML or XML.
The write() method is most often used to write to output streams opened by the the open() method.
| Parameter | Description |
| exp1. | Optional. The output stream. Multiple arguments are appended to the document in order of occurrence. |
Write a date object directly to the HTML ouput:
document.write(Date());Open an output stream, add some HTML, then close the output stream:
document.open();Open a new window and write some HTML into it:
const myWindow = window.open();Hello World!
");The writeln( ) method is only useful when writing to text documents (type=".txt").
document.write("Hello World!");
document.write("Have a nice day!");
document.write("
");
document.writeln("Hello World!");
document.writeln("Have a nice day!");
It makes no sense to use writeln() in HTML.
It is only useful when writing to text documents (type=".txt").
Newline characters are ignored in HTML.
If you want new lines in HTML, you must use paragraphs or
:
Hello World!
");Have a nice day!
");document.write is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
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