Find Shortest String In Array

findShortest.js

var my_arry = ["hello", "muchasgracias", "hi", "elephant"];

function findShortest(arry) {
	return arry.reduce(function(prevWord,currWord) {
		if (currWord.length < prevWord.length) {
			return currWord;
		}
		else 
			return prevWord;
	})
	
	/* reduce process
	prevWord 	currWord 		prevWord.length 	currWord.length  currWord < prevWord ?   return value (currWord || prevWord)
	"hello"	 	"muchasgracias"		5			13			no			    "hello"
	"hello"		"hi"			5			2 			yes 			     "hi"
	"hi"		"elephant"		2			8			no			     "hi"
	*/
}

findShortest(my_arry);