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The sessionStorage object stores data for only one session (the data is deleted when the browser tab is closed).
In this guide, we will learn below all 5 sessionStorage object methods with example.
JavaScript SessionStorage APIs/Methods
- setItem(): Add key and value to SessionStorage
- getItem(): Retrieve a value by the key from SessionStorage
- removeItem(): Remove an item by key from SessionStorage
- clear(): Clear all SessionStorage
- key(): Passed a number to retrieve nth key of a SessionStorage
Syntax
window.sessionStorage
sessionStorage.setItem("key", "value");
var lastname = sessionStorage.getItem("key");
sessionStorage.removeItem("key");
sessionStorage.clear();
var KeyName = sessionStorage.key(index);
SessionStorage.setItem() API/Method
sessionStorage.setItem("firstName", "Ramesh");
var user = {
firstName : "Ramesh",
lastName : "Fadatare"
}
sessionStorage.setItem("id", JSON.stringify(user));
sessionStorage.getItem() API/Method
sessionStorage.getItem('id');
"{"firstName":"Ramesh","lastName":"Fadatare"}"
JSON.parse(sessionStorage.getItem('id'));
sessionStorage.removeItem() API/Method
sessionStorage.removeItem('id');
sessionStorage.clear() API/Method
sessionStorage.clear();
sessionStorage.key() API/Method
var KeyName = sessionStorage.key(index);
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