add to local storage with javascript code example

Example 1: how to add variable to local storage in javascript

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

Example 2: get localstorage

var pull=JSON.parse(localStorage.getItem('data'))
for(var i=0; i<pull.length; i++){
    new ConstrcterName(pull[i].AnyName, pull[i].AnyName, pull[i].AnyName)
}
for(var o=0; o<arrayName.length; o++){
    ArrayName[o].getRandom();
    ArrayName[o].showRow();