Answers for "php set session storage"

how to set session storage in javascript

// Save data to sessionStorage
sessionStorage.setItem('key', 'value');

// Get saved data from sessionStorage
let data = sessionStorage.getItem('key');

// Remove saved data from sessionStorage
sessionStorage.removeItem('key');

// Remove all saved data from sessionStorage
sessionStorage.clear();

get session storage php

if(sessionStorage.getItem("data")){
//do some thing..
}else{
alert("the data isn't set.");
}