hpbonfim · June 10, 2020 13:57
diff --git a/clean_storage.html b/clean_storage.html
 <!DOCTYPE html>
 <html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="output"></div>

    <script>
      var ls2 = {
        save: function(key, jsonData) {
          if (typeof Storage == "undefined") {
            return false;
          }
          var expirationMS = 8640;
          var record = {
            value: JSON.stringify(jsonData),
            timestamp: new Date().getTime() + expirationMS
          };
          localStorage.setItem(key, JSON.stringify(record));
          return jsonData;
        },
        load: function(key) {
          if (typeof Storage == "undefined") {
            return false;
          }
          var record = JSON.parse(localStorage.getItem(key));
          if (!record) {
            return false;
          }
          return (
            new Date().getTime() < record.timestamp && JSON.parse(record.value)
          );
        }
      };

      // Set Data
      ls2.save("a", '{mykey:"myvalue"}', 1200);
      ls2.load("a");

      // Check Data and output to screen
      var checkVal = setInterval(myTimer, 200);
      var i = 200;
      function myTimer() {
        i += 200;
        var result = ls2.load("a");
        document.getElementById("output").innerHTML +=
          i + ": " + result + "<br>";
        if (result === false) {
          clearInterval(checkVal);
        }
      }
    </script>
  </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Document</title>
	</head>
	<body>
	<div id="output"></div>

	<script>
	var ls2 = {
	save: function(key, jsonData) {
	if (typeof Storage == "undefined") {
	return false;
	}
	var expirationMS = 8640;
	var record = {
	value: JSON.stringify(jsonData),
	timestamp: new Date().getTime() + expirationMS
	};
	localStorage.setItem(key, JSON.stringify(record));
	return jsonData;
	},
	load: function(key) {
	if (typeof Storage == "undefined") {
	return false;
	}
	var record = JSON.parse(localStorage.getItem(key));
	if (!record) {
	return false;
	}
	return (
	new Date().getTime() < record.timestamp && JSON.parse(record.value)
	);
	}
	};

	// Set Data
	ls2.save("a", '{mykey:"myvalue"}', 1200);
	ls2.load("a");

	// Check Data and output to screen
	var checkVal = setInterval(myTimer, 200);
	var i = 200;
	function myTimer() {
	i += 200;
	var result = ls2.load("a");
	document.getElementById("output").innerHTML +=
	i + ": " + result + "<br>";
	if (result === false) {
	clearInterval(checkVal);
	}
	}
	</script>
	</body>
	</html>