check if localstorage key exists
if (localStorage.getItem("username") === null) {
//...
}check if localstorage key exists
if (localStorage.getItem("username") === null) {
//...
}create localStorage key + value if not exist
//create localStorage key + value if not exist
if(localStorage){
localStorage.myPageDataArr={"name"=>"Dan","lastname"=>"Bonny"};
}
//when browser closed - psedocode
$(window).unload(function(){
localStorage.myPageDataArr=undefined;
});Copyright © 2021 Codeinu
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