A timeline of the last four years of detecting good old `window.localStorage`.

<hr>

#### Jan Lenhart, bless his heart contributed the first patch for support:

October 2009:
[5059daa](https://github.com/Modernizr/Modernizr/commit/5059daa4674651cd1adc39d902e4f4afa73426cd#L0R413)

```js
(typeof window.localStorage != 'undefined')
```

#### Simplicifations

November 2009:
[15020e7](https://github.com/Modernizr/Modernizr/commit/15020e75cb21d29e3514570704aabfa2a9c4ca84#L0L419)

```js
!!window.localStorage
```

#### If cookies disabled in FF, exception. Softer detect

December 2009:
[1e0ba91](https://github.com/Modernizr/Modernizr/commit/1e0ba919fa1e71172334df3fb37f5c3a07dacc49?w=1#L0R455)

```js
!!('localStorage' in window)
```

#### If DOM storage disabled in IE, `window.localStorage` is _present_ but `=== null`.

January 2010:
[d8947c9](https://github.com/Modernizr/Modernizr/commit/d8947c91982b8018e1d119be44d9c3ed85e521b6#L0L580)

```js
(localStorage in window) && window[localStorage] !== null
```

#### FF with dom.storage.enabled = false throws exceptions

July 2010:
[ef2c47](https://github.com/Modernizr/Modernizr/commit/ef2c47#L0R633)

```js
try {
  return ('localStorage' in window) && window[localstorage] !== null;
} catch(e) {
  return false;
}
```        

#### more shit because of FF exceptions

December 2010: 
[c630c39](https://github.com/Modernizr/Modernizr/commit/c630c3938f704bfb4153bc939dc2eeee012e34b5?w=1)

```js
try {
    return !!localStorage.getItem;
} catch(e) {
    return false;
}
```


#### iOS private browsing fucks everyone!!!

October 2011:
[5e2fa0e](https://github.com/Modernizr/Modernizr/commit/5e2fa0ed336279990b8070726c596d7aa2c00b00)

```js
try {
    return !!localStorage.getItem('getItem');
} catch(e) {
    return false;
}
```


#### stronger full capability test for localstorage with iOS private browsing protection

October 2011:
[a93625c](https://github.com/Modernizr/Modernizr/commit/a93625c21694fcda6fc1514a48f54232f703194a)

```js
try {
    localStorage.setItem(mod, mod);
    localStorage.removeItem(mod);
    return true;
} catch(e) {
    return false;
}
```