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LocalForage usage
localforage.setItem('somekey', 'some value').then(function (value) {
// Do other things once the value has been saved.
console.log(value);
}).catch(function(err) {
// This code runs if there were any errors
console.log(err);
});
// Unlike localStorage, you can store non-strings.
localforage.setItem('my array', [1, 2, 'three']).then(function(value) {
// This will output 1.
console.log(value[0]);
}).catch(function(err) {
// This code runs if there were any errors
console.log(err);
});
# GETITEM
localforage.getItem('somekey').then(function(value) {
// This code runs once the value has been loaded
// from the offline store.
console.log(value);
}).catch(function(err) {
// This code runs if there were any errors
console.log(err);
});
// The same code, but using ES6 Promises.
localforage.iterate(function(value, key, iterationNumber) {
// Resulting key/value pair -- this callback
// will be executed for every item in the
// database.
console.log([key, value]);
}).then(function() {
console.log('Iteration has completed');
}).catch(function(err) {
// This code runs if there were any errors
console.log(err);
});
localforage.removeItem('somekey').then(function() {
// Run this code once the key has been removed.
console.log('Key is cleared!');
}).catch(function(err) {
// This code runs if there were any errors
console.log(err);
});