JavaScript String - charAt() Method


Advertisements


Description

charAt() is a method that returns the character from the specified index.

Characters in a string are indexed from left to right. The index of the first character is 0, and the index of the last character in a string, called stringName, is stringName.length – 1.

Syntax

Use the following syntax to find the character at a particular index.

string.charAt(index);

Argument Details

index − An integer between 0 and 1 less than the length of the string.

Return Value

Returns the character from the specified index.

Example

Try the following example.

<html>
   <head>
      <title>JavaScript String charAt() Method</title>
   </head>
   
   <body>
   
      <script type="text/javascript">
         var str = new String( "This is string" );
         document.writeln("str.charAt(0) is:" + str.charAt(0)); 
         document.writeln("<br />str.charAt(1) is:" + str.charAt(1)); 
         document.writeln("<br />str.charAt(2) is:" + str.charAt(2)); 
         document.writeln("<br />str.charAt(3) is:" + str.charAt(3)); 
         document.writeln("<br />str.charAt(4) is:" + str.charAt(4)); 
         document.writeln("<br />str.charAt(5) is:" + str.charAt(5)); 
      </script>
      
   </body>
</html>

Output

str.charAt(0) is:T 
str.charAt(1) is:h 
str.charAt(2) is:i 
str.charAt(3) is:s 
str.charAt(4) is: 
str.charAt(5) is:i 

javascript_strings_object.htm

Advertisements