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JavaScript document.write()
The JavaScript document.write() method, is used to write text to an opened HTML document. For example:
<!DOCTYPE html> <html> <body> <h2>The document.write() Method</h2> <script> document.write("Hi there!"); </script> </body> </html>
The document.write() Method
JavaScript document.write() Syntax
The syntax of document.write() method in JavaScript, is:
document.write(markup)
The markup refers to a string that contains the text to write to the document.
JavaScript document.write() Example
<!DOCTYPE html> <html> <body> <script> document.write("<h2>The write() Method</h2>"); document.write("<p>This is an example of write() method.</p>"); </script> </body> </html>
In above example, the two JavaScript statements can also be wrapped with one, in this way:
document.write("<h2>The write() Method</h2><p>This is an example of write() method.</p>");
Note - If you execute document.write() method in any way, after loading the document. Then all HTML will be deleted. For example:
<!DOCTYPE html> <html> <body> <p>This is para one</p> <p>This is para two</p> <button onclick="myFunction()">Click Me to Execute document.write()</button> <script> function myFunction() { document.write("Welcome!"); } </script> </body> </html>
This is para one
This is para two
Now if you click on the button Click Me to Execute document.write(), then the whole HTML will be removed.
Break Line in JavaScript document.write()
Since the parameter of document.write() method indicates to markup. Therefore writing the BR tag gives you the line break. For example:
<!DOCTYPE html> <html> <body> <script> document.write("Hello<BR>there!"); </script> </body> </html>
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