wordCountEngine.js

var doc = "practice makes perfect. get perfect by practice. just practice!;";

var wordCountEngine = {
	init: function (doc) {
		
		var newDoc = this.removePunctuation(doc);
		newDoc = newDoc.split(" ");

		var cleanDoc = newDoc;
		newDoc = this.getSolidDoc(newDoc);

		var docWithCount = newDoc.map(function(word){
			return wordCountEngine.getWordObject(word, wordCountEngine.getWordCount(cleanDoc, word));
		});
		console.log(docWithCount);
		console.log(this.getOrderedList(docWithCount));
	},
	removePunctuation: function (doc) {
		return doc.replace(/[.,!#;{}]/g, "");
	},
	getSolidDoc: function (list) {
		var solidList = [];
		list.forEach(function(word){
			if (solidList.indexOf(word) == -1) {
				solidList.push(word)
			}
		});

		return solidList;
	},
	getWordCount: function (doc, word) {
		var count = 0;
		for (var i = 0; i < doc.length; i++) {
			if (doc[i] == word) {
				count++;
			}
		}
		return count;
	},
	getWordObject: function (word, count) {
		var obj = {};
		Object.defineProperty(obj, word, {value:count});
		return obj;	
	},
	getOrderedList: function (list) {
		console.log(list)
		var ordered = {};
		for (var i in list) {
			if (!ordered.length) {
				ordered = Object.assign(ordered, list[i]);
			} else {
				for (var j in ordered) {
					if (list[i] > ordered[j]) {
						console.log(list[i] , ordered[j])
					}
				}
			}
 		}
	}
};

wordCountEngine.init(doc);