localStorage.getItem will return null for keys that are unset: The getItem(key) method must return the current value associated with the given key. If the given key does not exist in the list associated with the object then this method must return null. Source: https://html.spec.whatwg.org/multipage/webstorage.html#dom-storage-getitem 2 solved What does the HTML5 Local Storage object return if … Read more
If the number of ajax calls made are constant,You can use the following logic COUNTER=5; function reduceCounter(){ COUNTER –; if(COUNTER == 0) { localStorage.Obj=JSON.stringify(Obj); location.href=”https://stackoverflow.com/questions/33031287/nextPage.html”; } In each of your ajax calls , call reduceCounter() at .always(); eg: $.ajax({ url: .. type: ‘GET’, dataType: ‘json’, }) .done(){… //set Obj }, .fail(){… },.always(){ reduceCounter(); } solved … Read more
The answer is not really, no. BUT there are some workarounds, depending on what you can get away with (supported browsers, etc) When you grab a local file (I’m assuming you’re using <input type=”file”>, rather than partially supported, unstandardized methods), you get a “change” event to subscribe to, but that change reflects the change in … Read more
What you are trying to create is actually a download manager. It is easier to create a simple download manager in java but quite tedious to create a full fledged one. The idea behind it is simple. Say you have a webpage with url www.example.com/index.html. to download just index.html is easy. But to download all … Read more
An interesting question, I check the Nasa.api and i find that the sever will return you an array that contain object, so a good option is to use an array to store all the liked item and it will be easier for you display. My suggestion for you is to directly store the info that … Read more
You can use JavaScript to set a cookie with all the changes you want to keep. If the user returns to the page later, restore the changes from the cookie. 1 solved how to store new elements added in webpage by user? [closed]