local-storage

问题 I'm using Local Storage for a Chrome extensions. When I set the local storage using localStorage['tracking'] = false; ... and then check to is local storage set using: if(localStorage['tracking']) { alert('set'); } else { alert('Not Set'); localStorage['tracking'] = true; } It works fine. It sets tracking to true if unset and remains set. But if I go to a new tab, and to the same page I was on in the other tab, it returns unset. Is there any way for local storage to remain persistant, even

问题 I have a php script that gets the latest tweet of particular users in JSON format. The JSON is parsed into an AJAX function that displays the latest tweet in an ID on the page. A timer is set for every x seconds to execute the above, retrieving the latest tweet without the user having to refresh the page. This works perfectly. I am now trying to create a notification feature that displays a notification when there is a new tweet to display. Each tweet has a unique ID called 'id_string' in the

问题 I've got a list of links on a main page that can be filtered via different checkboxes. I would like to retain the states of all the checkboxes when a user clicks on one of the links to a new URL and then back to this main page. I've got two problems that I can't seem to fix: Results that share a class won't always be displayed when un-checking inputs (un-check In-App then In-Stream and the only result for In-Banner is Link 1, when it should be #1 and #3) I can't seem to get the Check/Uncheck

问题 I've got a list of links on a main page that can be filtered via different checkboxes. I would like to retain the states of all the checkboxes when a user clicks on one of the links to a new URL and then back to this main page. I've got two problems that I can't seem to fix: Results that share a class won't always be displayed when un-checking inputs (un-check In-App then In-Stream and the only result for In-Banner is Link 1, when it should be #1 and #3) I can't seem to get the Check/Uncheck

问题 I'm trying to add a "tab namespace" to all local storage keys so that I can achieve a uniqueness of local storage for sites between multiple tabs. In a simple HTML5 page, let's say a web page has the following script: Storage.prototype._setItem = Storage.prototype.setItem; Storage.prototype.setItem = function(key, value) { console.log("intercepted set local storage " + key + " = " + value); this._setItem(key, value); } Storage.prototype._getItem = Storage.prototype.getItem; Storage.prototype

问题 i am new in Ionic, i am trying to get picture and want to store copy or store image into internal storage so i can get back captured image on any view. I don't know how to store images in internal Storage. I have read this. this is Helpful but not solving my issue. My Controller is here. Help me in this. Controller /**** tab Camera Controller ***/ .controller('tabCameraCtrl', function($scope, $state, $cordovaCamera) { /**********function to Open Camera *********/ $scope.openCamera = function(

问题 I've been trying to do this all day and just can't get it right. I've read many articles on various websites and tried many different approaches, but I am still getting issues of one kind or another. Sorry if it's a little haphazard, I'm struggling to see my issue and so I'm struggling on what area to ask for help. Component aim: Array stored on LS that holds objects, that hold information on shows Component issue: Depending on the code I seem to either be overwritting a single object, cant

问题 <script src="js/angular.min.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular-route.js"></script> When I am updating the stored data directly after refreshing the page, I am getting some error in console like TypeError: Cannot set property 'myid' of undefined at Object.vm.edit (controller.js:70), table is not updating in that way, but it gets updated if you add a row first and then update it. Can anyone help me how to fix it ? My plunk 回答1: Your error

问题 Is it possible to make localStorage and/or IndexedDB offline data permanent? I am planning to make a completely offline HTML5 app and want the data to never get deleted, unless and otherwise the user knowingly does so. I do not want the data to be deleted even after the app is closed, system is shutdown or something like CCleaner is run. 回答1: What you are looking is persistent storage as defined in Quota Management API. Currently none of the browser implemented it. However IndexedDB data,

问题 If got a sencha touch application, with a login form. For returning users, I would like to store the login credentials in the local storage. User.js App.models.User = Ext.regModel('User', { fields: [ { name: 'username', type: 'string' }, { name: 'password', type: 'string' } ], proxy: { type: 'localstorage', id: 'p2s-users' } }); Users.js App.stores.users = new Ext.data.Store({ model: 'User', autoLoad: true }); Now I try to sync the form values with local storage, how can I do that, what's the