how to check local storage javascript code example

Example 1: local storage javascript

localStorage.setItem('user_name', 'Rohit'); //store a key/value
var retrievedUsername = localStorage.getItem('user_name'); //retrieve the key

Example 2: localstorage.getitem()

//The following snippet accesses the current domain's local Storage object 
//and adds a data item to it using Storage.setItem().
localStorage.setItem('myCat', 'Tom');

//The syntax for reading the localStorage item is as follows:
const cat = localStorage.getItem('myCat');

//The syntax for removing the localStorage item is as follows:
localStorage.removeItem('myCat');

//The syntax for removing all the localStorage items is as follows:
localStorage.clear();