//Set item
localStorage.setItem('myCat', 'Tom');
//Get item
var cat = localStorage.getItem("myCat");
//Remove item
localStorage.removeItem("lastname");
//Remove all items
localStorage.clear();var person = { "name": "billy", "age": 23};
localStorage.setItem('person', JSON.stringify(person)); //stringify object and store
var retrievedPerson = JSON.parse(localStorage.getItem('person')); //retrieve the objectlocalStorage.setItem('myCat', 'Tom');
var cat = localStorage.getItem('myCat');
localStorage.removeItem('myCat');
// Clear all items
localStorage.clear();
localStorage.setItem('user_name', 'Rohit'); //store a key/value
var retrievedUsername = localStorage.getItem('user_name'); //retrieve the key// Store
localStorage.lastname = "Smith";
// Retrieve
document.getElementById("result").innerHTML = localStorage.lastname;
// Remove
localStorage.removeItem("lastname");<!DOCTYPE html>
<html>
<head>
<title>javascript</title>
</head>
<body>
<input id="textbox" type="text" /><br><br>
<button id="btn">Save</button>
<br><br>
<script type="text/javascript">
var textbox = document.getElementById("textbox");
var button = document.getElementById("btn");
button.addEventListener("click", function(){
localStorage.name = textbox.value;
});
document.write(localStorage.name);
</script>
</body>
</html>