LocalStorage as it's called it's local storage for your browsers, it can save up to 10MB, SessionStorage does the same, but as it's name saying, it's session based and will be deleted after closing your browser, also can save less than LocalStorage, like up to 5MB, but Cookies are very tiny data storing in your browser, that can save up 4KB and can be accessed through server or browser both...

what framework should i learn after knowing all java script basics

I used animate.css & wow.js to make the animations happen just when I scroll, this has been done successfully, BUT those animations happen one time, I want them to repeat them selves every time I scroll, here is the code: <!-- Animate.css --> <link rel="stylesheet" href="./vendor/animate.css/animate.css-main/animate.min.css"> <!-- WOW JS --> <script src="./vendor/wow/WOW-master/dist/wow.js">...

what's new in Javascript 2021 ?