Returns an integer representing the Unicode encoding of the character at the specified location.

strObj.charCodeAt(index)

Arguments

strObj

Required. Any String object or literal.

index

Required. Zero-based index of the desired character. Valid values are between 0 and the length of the string minus 1.

Remarks

The first character in a string is at index 0, the second is at index 1, and so forth.

If there is no character at the specified index, NaN is returned.

Example

The following example illustrates the use of the charCodeAt method.

function charCodeAtTest(n){
  var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; //Initialize variable.
  var n;                                  //Declare variable.
  n = str.charCodeAt(n - 1);              //Get the Unicode value of the
                                          // character at position n.
  return(n);                              //Return the value.
}

Requirements

Version 5.5

See Also

fromCharCode Methods | String Object methods

Applies To: String Object