local-storage

问题 Am using webview to load a page in android. Once the page is loaded, localstorage is updated. I want to retrieve data from it. Above kitkat, using evaluateJavascript am able to obtain the data. It have a callback. The problem is with versions below kitkat, where i have to use loadUrl() for it. loadUrl("javascript:localStorage.getItem('"+ key +"')"); I want to pass the value returned by function getItem(), to calling activity. 回答1: you can do it. First you need to add javascript interface to

问题 I'm trying to create a sample epub file that I can read in iBooks that will contain interactive content that iBooks will access via localStorage. I am able to get the localStorage piece working on the browser aok in chrome and firefox (not IE). I noted that the localStorage javascript bit does not work when the files have *.xhtml extensions, only *.html extensions. I am able to zip up the html, opf and ncx and get an epub that I can read in digital editions and only throw epubcheck errors

问题 How do you show an advertisement banner only once during a browser session using JavaScript or jQuery in a website? Once the session is closed and the browser is closed, the ad must be shown again when I open the website in the browser again. One more thing when i navigate across website banner must display unless it is not closed. 回答1: You can use cookie to remember if ad was displayed or not. You can use this plugin: https://github.com/carhartl/jquery-cookie Make a method to display the ad:

问题 Can anyone tell me why this bit of code doesn't create an entry into localstorage? myLocalStore.load(); var now = new Date(); var cardId = (now.getTime()).toString() + (this.getRandomInt(0, 100)).toString(); var entry1 = { id: cardId, dateCreated: now, title: 'The Title', narrative: 'the Text' }; var newRecord = new PinYin.model.Default(entry1); myLocalStore.add(newRecord); myLocalStore.sync(); console.log(entry1); The console outputs Object{id: "136575772251069", dateCreated: Fri Apr 12 2013

问题 I am trying to add past searches to local storage and doing that with an array. The problem is that it adds the value two times, even if there is just one call to the function. For every new, distinct search I want it to be added to my array and storage, if there is more than five, the last item is popped. Called when a search is processed: SetLocalStorageItem(searchString[1]); The function that should do it: function SetLocalStorageItem(search) { if(search === '') { return; } console.log

问题 I have a Jquery web site that needed to be upgraded to provide Local Storage caching capability, Target was making every Ajax request checks first if there is a cached response HTML, then it will NOT call the server side, but gets data from cache instead. Everything going OK with caching and displaying data from cache and so on.. My problem appeared when applying my caching core to sites that heavily depending on XML HTTP Response Headers; It Appeared that when I try to cache the

问题 I am a newbie in JS (level 0), and although I try to store all the variables of my practice in Local Storage, I am doing something wrong, because when reloading the page many functions (previously visible), now disappear in the reload. SEE LIVE DEMO Where is my errors...? What am I doing wrong...? Thanks in advance! CSS html{top:0;left:0;margin:0}body{top:0;margin:0;padding:0;color:#323232;width:100%;height:100%;line-height:1.5;font-family:'Roboto',serif}#container{width:500px;margin:0 auto}

问题 I created a login component where i stored a json object in asynStorage it is working fine. Problem is that when i trying to get the value from asynStorage, i am not getting anything on screen. <Text> { this.state.getValue } </Text> This line giving me the whole json like this on screen. [{ "id":"9", "uname":"mine", "uemail":"mine@gmail.com", "upass":"nomination" }] I want display the email only so i am writing this line This line giving me nothing. <Text> { this.state.getValue.uemail } <

问题 I am creating an ordering system which a user will select an item and add them to cart. I use local storage to save the items selected and get those items on the next page. What I wanted to do now is to update the stored data if the user selected the same item. For example I have already stored [{ "id": "1", "name": "soap A", "quantity": "10", "price" : "50.00" }, { "id": "2", "name": "soap X", "quantity": "10", "price" : "50.00" }] and the user again selected the the item with an id of 1

问题 In the following samples, the first page retrieves from localstorage then the second page sets localstorage. In Firefox and Safari (only) the value is not changed in the first page until I refresh the page. I do not need to do the explicit refresh in Edge, Chrome, Opera and IE. How can I get Firefox and Safari to process items updated in another page when a page is navigated back (returned) to? Previous answers for similar problems say to disable the cache. I have tried to do that in many