AngularJS Example:

by agrublev

HTML

<div ng-app="exampleStore">
    <div ng-controller="MainCtrl">
        <p>{{test}}</p>
        <label>Local Storage Bound:</label> <input type="text" ng-model="test">
        <a ng-click="clearTest()">Clear Value from LC</a>
        <p><i>Change the value in the textbox and refresh the page!</i></p>
    </div>
</div>

CSS

</style> <!-- Ugly Hack due to jsFiddle issue: http://goo.gl/BUfGZ --> <link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css"> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.6/angular.min.js"></script> <style>

JavaScript

var eS = angular.module('exampleStore', ['localStorage']);

function MainCtrl($scope, $store) {
    $store.bind($scope, 'test', 'Some Default Text');
    
    $scope.clearTest = function(){ 
        $store.remove('test'); 
    };
}

var ls = angular.module('localStorage',[]);
 
ls.factory("$store",function($parse){
	/**
	 * Global Vars
	 */
	var storage = (typeof window.localStorage === 'undefined') ? undefined : window.localStorage,
		supported = !(typeof storage == 'undefined' || typeof window.JSON == 'undefined');

	var privateMethods = {
		/**
		 * Pass any type of a string from the localStorage to be parsed so it returns a usable version (like an Object)
		 * @param res - a string that will be parsed for type
		 * @returns {*} - whatever the real type of stored value was
		 */
		parseValue: function(res) {
			var val;
			try {
				val = JSON.parse(res);
				if (typeof val == 'undefined'){
					val = res;
				}
				if (val == 'true'){
					val = true;
				}
				if (val == 'false'){
					val = false;
				}
				if (parseFloat(val) == val && !angular.isObject(val) ){
					val = parseFloat(val);
				}
			} catch(e){
				val = res;
			}
			return val;
		}
	};
	var publicMethods = {
		/**
		 * Set - let's you set a new localStorage key pair set
		 * @param key - a string that will be used as the accessor for the pair
		 * @param value - the value of the localStorage item
		 * @returns {*} - will return whatever it is you've stored in the local storage
		 */
		set: function(key,value){
			if (!supported){
				try {
					$.cookie(key, value);
					return value;
				} catch(e){
					console.log('Local Storage not supported, make sure you have the $.cookie supported.');
				}
			}
			var saver = JSON.stringify(value);
			 storage.setItem(key, saver);
			return privateMethods.parseValue(saver);
		},
		/**
		 * Get - let's you get the value of any pair you've stored
		 * @param key - the string that you set as accessor for the pair
		 * @returns {*} -...