chrome_storage_set.js

chrome.storage.local.set({
    "foo": Infinity
}, function () {
    chrome.storage.local.get('foo', function (result) {
        console.log(result['foo']); // <= undefined (Infinityにならない)
    });
});

chrome.storage.local.set({
    "foo": 42
}, function () {
    chrome.storage.local.get('foo', function (result) {
        console.log(result['foo']); // <= 42
    });
});

chrome.storage.local.set({
    "foo": Infinity
}, function () {
    chrome.storage.local.get('foo', function (result) {
        console.log(result['foo']); // <= 42 (Infinityにならず，直前に格納された値がそのまま)
    });
});

chrome.storage.local.set({
    "foo": undefined
}, function () {
    chrome.storage.local.get('foo', function (result) {
        console.log(result['foo']); // <= 42 (undefinedにならず，直前に格納された値がそのまま)
    });
});