javascript-learning/localStorage-remember.html at master · CooperUnion/javascript-learning · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<title>Local Storage</title>
		<script src="http://code.jquery.com/jquery-latest.js"></script>
		<script>
			$(document).ready(function(){

				//create a function that adds css to show something
				var showSomething = function(){

					$("#something").css({
						"width":"500",
						"height":"500",
						"backgroundColor":"orange"
					});

				};

				//create a function to hide something
				var hideSomething = function(){
					$("#something").hide();
				};

				//set up a click event to show somehting
				$("#show").click(function(){

					//store the value
					localStorage.setItem("something","visible");
					console.log("set the value to 'visible'");

					//run the showSomething function
					showSomething();

				});

				//set up a click event to hide somehting
				$("#hide").click(function(){

					//remove the item that was stored
					localStorage.removeItem("something");
					console.log("removed item");

					//run the hideSomething function
					hideSomething();

				});

				//find out if something should be shown
				var somethingState = localStorage.getItem("something");
				if(somethingState === "visible") {

					console.log("set the value to 'visible' because that is what was last set");

					//show something!
					showSomething();
				}


			});
		</script>
	</head>
	<body>
		<ul>
			<li id="show">show something</li>
			<li id="hide">hide something</li>
		</ul>
		<div id="something"></div>
	</body>
</html>