Answers for "how to check if localstorage has existing key"

check if localstorage key exists js

if("user" in localStorage){
   alert('yes');
} else {
   alert('no');
}

Posted by: Guest on July-04-2020

how to check is the key of a localstorage is emopty

if (localStorage.getItem("username") === null) {
  //...
}

Posted by: Guest on November-09-2020

Code answers related to "how to check if localstorage has existing key"