Code of the Day: Sentence Scrambler

/**
* @author: Larry Battle
* @date: January 2, 2012
* @purpose: Scrambler - to scramble the alphabetical letters in word in such a way to make it still readable and understandable.
* @note: This can be accomplished by have perversing the word order but mixing up every letter in the word except for the first.
*/
var scrambler = {
	scrambleStr : function( str ){
		if( typeof str !== 'string' ){
			return -1;
		}
		return str.replace( /[^\s]*/g, function( word ){			
			return word ? scrambler.scrambleWord( word ) : word;
		});
	},
	scrambleWord :  function( str ){
		if( typeof str !== 'string' ){
			return str;
		}
		str = str.replace( /[a-z]*/ig, function( str2 ){
			if( str2 && str2.length > 2 ){
				str2 = str2.charAt(0) + scrambler.randomizeStr( str2.substring( 1, str2.length - 1 ) ) + str2.charAt( str2.length - 1 );
			}
			return str2;
		});
		return str;
	},
	randomizeStr : function( str ){
		if( typeof str !== 'string' ){
			return str;
		}
		return scrambler.makeArrayRandom( str.split( '' ) ).join( '' );
	},
	makeArrayRandom : function( arr ){
		var j, x, i = arr.length;
		while( i ){
				j = parseInt(Math.random() * i, 10);
				x = arr[--i]; 
				arr[i] = arr[j];
				arr[j] = x;
		}
		return arr;
	}
};

/** * @author: Larry Battle * @date: January 2, 2012 * @purpose: Scrambler - to scramble the alphabetical letters in word in such a way to make it still readable and understandable. * @note: This can be accomplished by have perversing the word order but mixing up every letter in the word except for the first. */ var scrambler = { scrambleStr : function( str ){ if( typeof str !== 'string' ){ return -1; } return str.replace( /[^\s]*/g, function( word ){ return word ? scrambler.scrambleWord( word ) : word; }); }, scrambleWord : function( str ){ if( typeof str !== 'string' ){ return str; } str = str.replace( /[a-z]*/ig, function( str2 ){ if( str2 && str2.length > 2 ){ str2 = str2.charAt(0) + scrambler.randomizeStr( str2.substring( 1, str2.length - 1 ) ) + str2.charAt( str2.length - 1 ); } return str2; }); return str; }, randomizeStr : function( str ){ if( typeof str !== 'string' ){ return str; } return scrambler.makeArrayRandom( str.split( '' ) ).join( '' ); }, makeArrayRandom : function( arr ){ var j, x, i = arr.length; while( i ){ j = parseInt(Math.random() * i, 10); x = arr[--i]; arr[i] = arr[j]; arr[j] = x; } return arr; } };

"I can't beilvee waht I'm rndiaeg."

"I can't beilvee waht I'm rndiaeg."