JS usuń całą lokalną pamięć
window.localStorage.clear(); //clear all localstorage
window.localStorage.removeItem("my_item_key"); //remove one item
Defiant Dogfish
window.localStorage.clear(); //clear all localstorage
window.localStorage.removeItem("my_item_key"); //remove one itemwindow.localStorage.clear(); //clear all localstorage
window.localStorage.removeItem("my_item_key"); //remove one itemlocalStorage.clear();//this clears the localStorage completely//localStorage is an object, so values are stored by key name
//data from localStorage is always stored in strings
//usually the values at each key are stringified objects in JSON format, therefore we must parse them
var data = JSON.parse(localStorage.getItem("key name"));//make sure the "key name" exists in the localStorage<!DOCTYPE html>
<html>
<head>
<style>
body {
text-align: center;
}
h1 {
color: green;
}
</style>
</head>
<body>
<h2>Create local storage items </h2>
<button onclick="createItems()">
Create local storage items
</button>
<h2>Display Items</h2>
<button onclick="displayItems()"> Display items</button>
<p id="show"></p>
<h2>Remove Items</h2>
<button onclick="deleteItems()"> Clear locak storage </button>
<h2>Display Items Again</h2>
<button onclick="displayItems()"> Display again </button>
<p id="demo"></p>
<script>
function createItems() {
// Set item in local storage.
localStorage.setItem("Welcome toW3Docs ", " ");
localStorage.setItem("Storage Clear Method ", " ");
}
function deleteItems() {
// Clear localStorage items
localStorage.clear();
}
function displayItems() {
let l, i;
// Display items
document.getElementById("show").innerHTML = "";
for(i = 0; i < localStorage.length; i++) {
res = localStorage.key(i);
document.getElementById("show").innerHTML += res;
}
}
</script>
</body>
</html><!DOCTYPE html>
<html>
<head>
<style>
body {
text-align: center;
}
h1 {
color: green;
}
</style>
</head>
<body>
<h2>Create local storage items </h2>
<button onclick="createItems()">
Create local storage items
</button>
<h2>Display Items</h2>
<button onclick="displayItems()"> Display items</button>
<p id="show"></p>
<h2>Remove Items</h2>
<button onclick="deleteItems()"> Clear locak storage </button>
<h2>Display Items Again</h2>
<button onclick="displayItems()"> Display again </button>
<p id="demo"></p>
<script>
function createItems() {
// Set item in local storage.
localStorage.setItem("Welcome toW3Docs ", " ");
localStorage.setItem("Storage Clear Method ", " ");
}
function deleteItems() {
// Clear localStorage items
localStorage.clear();
}
function displayItems() {
let l, i;
// Display items
document.getElementById("show").innerHTML = "";
for(i = 0; i < localStorage.length; i++) {
res = localStorage.key(i);
document.getElementById("show").innerHTML += res;
}
}
</script>
</body>
</html>