String.charAt()

String.charAt() : charAt : String JAVASCRIPT TUTORIALS

JAVASCRIPT TUTORIALS » String » charAt »

String.charAt()

Syntax



string.charAt(num)

The charAt() method returns the character located at the indexed, num, position passed.

This indexing is done from left to right starting with the 0 (zero) position.

If the num passed is not a valid index in the string, -1 is returned.



<html>
    <head>
      <title>Using the String.charAt() method</title>
    </head>
    <body>
    <script language="JavaScript">
    <!--
    var myString = new String("This is a test, small test.");

    var myIndex = prompt("Please enter a number", "");

    var myChar = myString.charAt(myIndex);

    document.write('<b>The string you searched through was: </b>' + myString);

    document.write('<br>The ' + myIndex + ' character in this string is ');

    if (myChar == " "){
      document.write('<space>');
    }else{
      document.write(myChar);
    }

    document.close();
    -->
    </script>
    </body>
    </html>