“JS Enregistrer le stockage local” Réponses codées

JavaScript définit la valeur de stockage locale

var testObject = { 'one': 1, 'two': 2, 'three': 3 };

// Put the object into storage
localStorage.setItem('testObject', JSON.stringify(testObject));

// Retrieve the object from storage
var retrievedObject = localStorage.getItem('testObject');

console.log('retrievedObject: ', JSON.parse(retrievedObject));
Mobile Star

JS Enregistrer le stockage local

//Set item
localStorage.setItem('myCat', 'Tom');
//Get item
var cat = localStorage.getItem("myCat");
//Remove item
localStorage.removeItem("lastname");
//Remove all items
localStorage.clear();
Atduyar

Économiser sur le stockage local

localStorage.setItem('myCat', 'Tom');

var cat = localStorage.getItem('myCat');

localStorage.removeItem('myCat');

// Clear all items
localStorage.clear();
Tame Toucan

javascript localstorage

localStorage.setItem("user_name", "Bob");

document.body.addEventListener("click", function(){
  alert(localStorage.getItem("user_name"))
});
Breakable Baboon

JavaScript Enregistrer les données sur le stockage local

// Store
localStorage.lastname = "Smith";
// Retrieve
document.getElementById("result").innerHTML = localStorage.lastname;
// Remove
localStorage.removeItem("lastname");
Dayanaohhnana

Enregistrer les données sur le stockage local


//useEffect(function (){}, []) this hook takes function as its first argument and an array/dependency as 
//which if the [] arrray is empty it runs once, meaning on initial render
useEffect(() => {
  const previousData = JSON.parse(localStorage.getItem("Todos"));
  setTodos(previousData);
},[])
//and if something changes in the dependency's value in this case inputText the function that is passed as the first argument runs each time
useEffect(() => {
 localStorage.setItem('Todos', JSON.stringify(Todos));
}, [inputText])



Brave Bat

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