check if localstorage key exists js
if("user" in localStorage){
alert('yes');
} else {
alert('no');
}check if localstorage key exists js
if("user" in localStorage){
alert('yes');
} else {
alert('no');
}how to check is the key of a localstorage is emopty
if (localStorage.getItem("username") === null) {
//...
}Copyright © 2021 Codeinu
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