Find all the occurrences of every string in a JS file.

analyze.js

var analyze = function() {
	
	var scriptData,
		strings,
		occurances;
	
	/*
	 * Analyze a single script to determine
	 * how often a string is used.
         * s: html script object.
	 */
	function script(s) {
		// reset
		scriptData = null;
		strings = [];
		occurances = {};

		getScripts(s);
	}

	function getScripts(s) {
		$.get(s.src, function(data) {
			scriptData = data;
			getStrings();
			determineOccurances();
			sortOccurances();
			displayResults();
		});
	}

	function getStrings() {
		strings = scriptData.match(/((?:'|")([a-zA-Z0-9 _.#-]+)(?:'|"))+/g);
	}

	function determineOccurances() {
		var len = strings.length;
		for(var i=0; i < len; i++) {
			if(typeof occurances[strings[i]] === 'undefined') {
				occurances[strings[i]] = 1;
			} else {
				occurances[strings[i]] += 1;
			}
		}
	}

	function sortOccurances() {
		var sorted = [];
		for (var key in occurances) {
			sorted.push({string: key, value: occurances[key]});
		}

		occurances = sorted;
		occurances.sort(function(a, b) {
			return a.value-b.value;
		});
	}

	function displayResults() {
		var len = occurances.length;
		for (var i=0; i < len; i++) {
			console.log(occurances[i].string+': '+occurances[i].value);
		}
	}

	return {
		script: script,
	};
}();