Javascript sort function for some mixed type (string, number, undefined) arrays

sortMixedArray

	function simpleAnalyze(a,b){
		if(a === "" && b !== "")
				return -1;
		if(a !== "" && b === "")
				return 1;
		if(a == b)
				return 0;
		return "";
	}



	//function for sorting array that has one of these values inside the objects: a[sortterm] => "609", 609, "", "hemingway"
	
	function sortMixedArray(array, sortterm){
		console.log("sorting with >"+sortterm+"<");
		array.sort(function(a,b){
			//console.log(typeof a[sortterm] + " and " + typeof b[sortterm]);
			if(a[sortterm] != undefined && b[sortterm] != undefined){
					//both strings, empty or not
					if(typeof a[sortterm] === typeof b[sortterm] && typeof a[sortterm] === "string"){
						//are they empty?
						if(typeof simpleAnalyze(a[sortterm],b[sortterm]) === "number"){
							//console.log("simpleAnalyze returned a number, hence one of the fields was '': "+simpleAnalyze(a[sortterm],b[sortterm]));
							//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+simpleAnalyze(a[sortterm],b[sortterm]));
							return simpleAnalyze(a[sortterm],b[sortterm]);
						}
						//simpleanalyze didn't solve case, let's check out if both are numbers in string
						else{
							if(a[sortterm].match(/\d+[.,]?\d*/) && b[sortterm].match(/\d+[.,]?\d*/)){
								//console.log("fields looked like numbers in strings");
								//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+((a[sortterm]).replace(",",".") - parseFloat((b[sortterm]).replace(",","."))));
								return parseFloat((a[sortterm]).replace(",",".")) - parseFloat((b[sortterm]).replace(",","."));
							}
							//only one of the strings look like number, it should win
							if(a[sortterm].match(/\d+[.,]?\d*/) || b[sortterm].match(/\d+[.,]?\d*/)){
								//console.log("fields looked like numbers in one of the strings");
								if(a[sortterm].match(/\d+[.,]?\d*/)){
									//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: 1");
								
									return 1; 
								}
								else{
									//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: 1");
									return -1;
								}									
							}
							
							
							
							//normal strings, i guess
							else {
								//console.log("normal strings");
								//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+(a[sortterm].localeCompare(b[sortterm])));
								return a[sortterm].localeCompare(b[sortterm]);
							}
							
							
						}
					}
					//both numbers
					if(typeof a[sortterm] === typeof b[sortterm] && typeof a[sortterm] === "number"){
						//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+(a[sortterm] - b[sortterm]));
						return a[sortterm] - b[sortterm];
					}
					//of different typeofs
					//check if one looks like number while other is a number
					if(typeof a[sortterm] === "number" && typeof b[sortterm] === "string"){
						//b looks like a number
						if(b[sortterm].match(/\d+[.,]?\d*/)){
							//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+(a[sortterm] - parseFloat((b[sortterm]).replace(",","."))));
							return a[sortterm] - parseFloat((b[sortterm]).replace(",","."));
						}
						//the random text wins in this case if it is'nt empty
						else {
							if(typeof simpleAnalyze(a[sortterm],b[sortterm]) === "number"){
								//console.log("simpleAnalyze returned a number, hence one of the fields was '': "+simpleAnalyze(a[sortterm],b[sortterm]));
								//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+simpleAnalyze(a[sortterm],b[sortterm]));
								return simpleAnalyze(a[sortterm],b[sortterm]);
							}
							
							//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: -1");
							return +1;
						}
					}
					
					if(typeof b[sortterm] === "number" && typeof a[sortterm] === "string"){
						//a looks like a number
						if(a[sortterm].match(/\d+[.,]?\d*/)){
							//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+(parseFloat((a[sortterm]).replace(",",".")) - b[sortterm]));
							
							return parseFloat((a[sortterm]).replace(",",".")) - b[sortterm];
						}
						//text wins in this case too if it isn't empty
						else{
							if(typeof simpleAnalyze(a[sortterm],b[sortterm]) === "number"){
								//console.log("simpleAnalyze returned a number, hence one of the fields was '': "+simpleAnalyze(a[sortterm],b[sortterm]));
								//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: "+simpleAnalyze(a[sortterm],b[sortterm]));
								return simpleAnalyze(a[sortterm],b[sortterm]);
							}
							//console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: -1");
							return -1;
						}
					}
					
					console.warn("they were similar but in a way I couldn't see: " +typeof a[sortterm] + " and " + typeof b[sortterm] + ":'"+a[sortterm] + "' '" +b[sortterm]+"'");
					return 0;
					
			}
			
			if(a[sortterm] === undefined || b[sortterm] !== undefined){
				console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: -1");
				console.log(array.indexOf(a));
				return -1;
			}
			if(b[sortterm] === undefined || a[sortterm] !== undefined){
				console.log("'"+a[sortterm] +"' vs. '"+b[sortterm]+"' winner is: +1");
				console.log(array.indexOf(b));
				return +1;
			}
			
			//they were undefined
			else{ 
				console.log("they were undefined");
				return 0;
			}
		} );
	}