Javascript implementation of the Itearated Logarithm, just for fun

iteratedLog.js

/**
 * Javascript implementation of the Itearated Logarithm {@link http://en.wikipedia.org/wiki/Iterated_logarithm}
 * @author  Jonathan Cardoso
 * 
 * @param   {Number} n The number to get the iterated logarithm.
 * @return  {Number}
 */
var iteratedLog = function( n ) {
    
    var result = 0;
    
    if( n > 1 ) {
        
        ++result;
        
        result += iteratedLog( Math.log( n ) / Math.log( 2 ) );
        
    }
    
    return result;
    
}

console.log( iteratedLog( 1 ) );    //0
console.log( iteratedLog( 2 ) );    //1
console.log( iteratedLog( 4 ) );    //2
console.log( iteratedLog( 16 ) );   //3
console.log( iteratedLog( 65536 ) );//4
//console.log( iteratedLog( Math.pow( 2, 65536 ) ) ); //5 - Probably the slowest thing in the universe