Javascript Reference
Categories: String

javascript String charAt( )

@March 15, 2008, 1:22 a.m.
charAt( )Firefox/Netscape/NN 2 IE 3 ECMA 1  

charAt(positionIndex)

  

Returns a single character string of the character located at the zero-based index position passed as a parameter. Use this method instead of substring( ) when only one character from a known position is needed from a string.

 
Parameters
 
index

A zero-based integer.

 
Returned Value

A one-character string. In newer browser versions, an empty string is returned if the parameter value points to a character beyond the length of the string.

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