Storage setItem() method

Example

Set the value of a specified local storage item:

localStorage.setItem("mytime", Date.now());

Try It Yourself

Definition and Usage

setItem() method sets the value of the specified storage object item.

setItem() method belongs to the Storage object, which can be localStorage object, which can also be sessionStorage object.

Browser Support

Method Chrome IE Firefox Safari Opera
setItem() 4 8 3.5 4 10.5

Syntax

localStorage.setItem(keyname, value)

or:

sessionStorage.setItem(keyname, value)

Parameter Values

Parameters Description
keyname Required. String, specifying the name of the key to be set.
value Required. String, specifying the value of the key to be set.

Technical Details

DOM Version: Web Storage API
Return value: String value, representing the inserted value.

More examples

Example

The same example, but using session storage instead of local storage.

Set the value of a specified session storage item:

sessionStorage.setItem("test1", "Lorem ipsum");

Try It Yourself

Example

You can also use dot notation (obj.key) to set the value:

sessionStorage.test1 = "Lorem ipsum";

Try It Yourself

Example

You can also set the value like this:

sessionStorage["test1"] = "Lorem ipsum";

Try It Yourself

Related Pages

Web Storage Reference Manual:getItem() Method

Web Storage Reference Manual:removeItem() Method