In JavaScript there is a function document.write() it accepts a string array type parameter that enables the browser to write that string inside the tag of HTML page.
Syntax
document.write(text: string[]); // or document.write(text1, text2, text3, …);
Parameters
text: A string array parameter. You can pass more than one text expression as parameters to document.write method. Multiple parameters will be appended to the document body following the order passed to the method.
See the following JavaScript code syntax:
document.write('Hello World!');
document.write('Hello ', 'World', '!');
These both statements will display the string Hello World! on the web page.
You can write the string in " double quotes or ' single quotes and both will be appended to the document body in same way.
Example
document.write('Hello World'); // single quotes
document.write("Hello World"); // double quotes
Notice the semicolon at the end of each statement, this semicolon ; symbol is optional, but you can use it to improve the code readability and separating each statement.
document.write() Examples
Example 1
<script language="javascript" type="text/javascript">
document.write("<h1>Header</h1>");
document.write("<p>paragraph lines here</p>");
</script>
Example 2
<script language="javascript" type="text/javascript">
document.write("<h1>Header</h1>");
document.write("<p>1st paragraph lines here</p>");
document.write("<p>2nd paragraph lines here</p>");
</script>
Above JavaScript statements can also be grouped by using curly brackets { }.
Example 3
<script language="javascript" type="text/javascript">
{
document.write("<h1>Header</h1>");
document.write("<p>1st paragraph lines here</p>");
document.write("<p>2nd paragraph lines here</p>");
}
</script>
