You might want to check if this works with (older?) Firefox versions that
support localStorage but have it disabled in about:config - had problems with
those...
Best,
fry
On 22.9.2011, at 17:36, Michael Haufe (TNO) wrote:
> function supportsStorage(){
> var ls = window.localStorage;
> return ls instanceof Object && !isNaN(ls.length);
> }
>
>
> On Sep 22, 5:19 am, Anders Jönsson <joensson.and...@gmail.com> wrote:
>> Hi
>>
>> On "http://diveintohtml5.org/storage.html"; they use the following code to
>> check for local storage support:
>>
>> function supports_html5_storage() {
>> try {
>> return 'localStorage' in window && window['localStorage'] !== null;
>> } catch (e) {
>> return false;
>> }
>>
>> }
>>
>> What's the difference between that way and this way?:
>>
>> function supports_html5_storage() {
>> try {
>> return typeof window.localStorage !== 'undefined';
>> } catch (e) {
>> return false;
>> }
>>
>> }
>>
>> And can we also remove the try...catch?:
>>
>> function supports_html5_storage1() {
>> return typeof window.localStorage !== 'undefined';
>>
>> }
>>
>> Is it more safe to use "'localStorage' in window && window['localStorage']
>> !== null; " over "typeof"?
>>
>> Regards
>
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