How to use document.write in JavaScript?

Hello guys, Today I am sharing very basic method of javascript which is "document.write()".
Using document.write you can write inside a html document using javascript.

A very basic hello world example is below:

<script type="text/javascript">
document.write("<p>Hello World</p>");
</script>

To understand document.write function in more depth, I am sharing few more simple usage of this function.

<script type="text/javascript">

var sampleText="Sample Example of Document.write function";

document.write("<p>"+sampleText+"</p>");

</script>

Printing date using document.write function:

<script type="text/javascript">

var sampleText="Sample Example of Document.write function";

document.write("<p>"+Date()+"</p>");

</script>

Using document.write function inside a function:

<script type="text/javascript">

function f1() {

document.write('hello world');

}

</script>

<script type="text/javascript">

f1();

document.write('Ba Bye');

</script>

Overriding whole document's content using document.write function:

<script type="text/javascript">

function f1() {

document.write('Some text');//for overwrite entire page content

}

window.onload = w1;

</script>

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