Javascript Reference - JavaScript String sub() Method

The sub() method is used to display a string as subscript text by wrapping the string in the <sub> tag.

Browser Support


`sub()`	Yes	Yes	Yes	Yes	Yes

Syntax

stringObject.sub();

Parameters

None.

Return Value

A string embedded in the <sub> tag.

String with HTML tags

Method	Output
anchor(name)	<a name="name">string</a>
big()	<big>string</big>
bold()	<b>string</b
fixed()	<tt>string</tt>
fontcolor(color)	<font color="color">string</font>
fontsize(size)	<font size="size">string
italics()	<i>string</i>
link(url)	<a href="url">string</a>
small()	<small>string</small>
strike()	<strike>string</strike>
sub()	<sub>string</sub>
sup()	<sup>string</sup>

The following code shows how to use the methods above.

<html>
<body>
    <script type="text/javascript">
      var myString = new String();
      myString = "java2s.com";
      document.writeln(myString.anchor("java2s.com"));
      document.writeln(myString.big());
      document.writeln(myString.bold());
      document.writeln(myString.fixed());
      document.writeln(myString.fontcolor(color));
      document.writeln(myString.fontsize(size));
      document.writeln(myString.italics());
      document.writeln(myString.link(url));
      document.writeln(myString.small());
      document.writeln(myString.strike());
      document.writeln(myString.sub());
      document.writeln(myString.sup());
<!--from w w  w .  j a v a2 s.com-->
    </script>
</body>
</html>

Click to view the demo

Example


<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">test</button>
<p id="demo"></p>
<script>
function myFunction() {<!--  ww  w.ja  v  a2s . c  o  m-->
    var str = "Hello World!";
    var result = str.sub();
    document.getElementById("demo").innerHTML = result;
}
</script>

</body>
</html>

The code above is rendered as follows: