add to localstorage javascript code example

Example 1: get localstorage

function get(){
    var getJson = localStorage.getItem('key')
    if(getJson){
        arrayName = JSON.parse(getJson)
    }
}

Example 2: how to add variable to local storage in javascript

localStorage.setItem('key', 'value')

Example 3: get localstorage value

localStorage.getItem('bgcolor');