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JavaScript String - charAt() Method


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.


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


Try the following example.

      <title>JavaScript String charAt() Method</title>
      <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)); 


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