What is sessionStorage in JavaScript?

The read-only sessionStorage property accesses a session Storage object for the current origin. sessionStorage is similar to localStorage ; the difference is that while data in localStorage doesn’t expire, data in sessionStorage is cleared when the page session ends.

How can store data in session in JavaScript?

setItem() This method is called to store values in session storage. This method takes in the key and values as parameters. In the above function, name is the key, while John Smith is the value.

How long does sessionStorage last?

The localStorage and sessionStorage properties allow to save key/value pairs in a web browser. The sessionStorage object stores data for only one session (the data is deleted when the browser tab is closed). Tip: Also look at the localStorage property which stores data with no expiration date.

How do you get items from sessionStorage?

Storage getItem() Method

1. Get the value of the specified local storage item: var x = localStorage.
2. The same example, but using session storage instead of local storage. Get the value of the specified session storage item:
3. You can also get the value by using dot notation (obj.key):
4. You can also get the value like this:

How to get session value in JavaScript?

Get Session value in JavaScript. To get or access session variable value in JavaScript you can use following JavaScript code: var userName = ‘<%= Session[“UserName”] %>’ Check the below example to get session variable value in JavaScript and set it for welcome label. Default.aspx.cs:

Is it possible to set session variables from JavaScript?

JavaScript is a Client Side language and hence directly it is not possible to set Session variable in JavaScript. Thus, the solution is to make an AJAX call using XmlHttpRequest (XHR) and pass the value of JavaScript variable to a WebMethod and inside the WebMethod the value will be set in Session variable in ASP.Net using C# and VB.Net.

What is local storage in JavaScript?

LocalStorage is a type of web storage that allows Javascript websites and apps to store and access data right in the browser with no expiration date. This means the data stored in the browser will persist even after the browser window has been closed.