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HTML DOM write() Method

❮ Document Object

Example

Write some text directly to the HTML document:

document.write("Hello World!");
Try it Yourself »

More "Try it Yourself" examples below.


Definition and Usage

The write() method writes HTML expressions or JavaScript code to a document.

The write() method is mostly used for testing: If it is used after an HTML document is fully loaded, it will delete all existing HTML.

Note: When this method is not used for testing, it is often used to write some text to an output stream opened by the document.open() method. See "More Examples" below.

Tip: The document.writeln() method is similar to write(), only it adds a newline character after each statement.


Browser Support

Method
write() Yes Yes Yes Yes Yes

Syntax

document.write(exp1, exp2, exp3, ...)

Parameter Values

Parameter Description
exp1, exp2, exp3, ... Optional. What to write to the output stream. Multiple arguments can be listed and they will be appended to the document in order of occurrence


Technical Details

Return Value: No return value

More Examples

Example

Write HTML elements with text directly to the HTML document:

document.write("<h1>Hello World!</h1><p>Have a nice day!</p>");
Try it Yourself »

Example

Write the Date object directly to the HTML document:

document.write(Date());
Try it Yourself »

Example

Using document.write() after an HTML document is fully loaded, will delete all existing HTML.

In this example we illustrate what happens when we put document.write() inside a function. When the function is invoked, all HTML elements will be overwritten and replaced with the new, specified text:

// This should be avoided:
function myFunction() {
  document.write("Hello World!");
}
Try it Yourself »

Example

Open an output stream, add some text, then close the output stream:

document.open();
document.write("<h1>Hello World</h1>");
document.close();
Try it Yourself »

Example

Open a new window called "MsgWindow", and write some text into it:

var myWindow = window.open("", "MsgWindow", "width=200, height=100");
myWindow.document.write("<p>This is 'MsgWindow'. I am 200px wide and 100px tall!</p>");
Try it Yourself »

Example

Difference between write() and writeln():

<body>

<p>Note that write() does NOT add a new line after each statement:</p>

<pre>
<script>
document.write("Hello World!");
document.write("Have a nice day!");
</script>
</pre>


<p>Note that writeln() add a new line after each statement:</p>

<pre>
<script>
document.writeln("Hello World!");
document.writeln("Have a nice day!");
</script>
</pre>

</body>
Try it Yourself »

Example

Write some text directly to the HTML document, with a new line after each statement (using <br>):

document.write("Hello World! <br>");
document.write("Have a nice day!");
Try it Yourself »

❮ Document Object