pwa examples

= Db.transaction (' People '); varPeoplestore = Tx.objectstore (' People ')); returnPeoplestore. GetAll (); }). Then (function(People) {console.table (people);}); Group by:To does gourp by we need to create INDEX: Import IDB from ' IDB '; varDbpromise = Idb.open (' test-db ', 3,function(upgradedb) {Switch(upgradedb.oldversion) { Case0: //Keyval Store is already created at version 1 varKeyvalstore = Upgradedb.createobjectstore (' Keyval ')); Keyvalstore.put ("Wo

Most of the analysis results show that some tasks of the project have unreasonable logic in allocation and work hours, leading to exceptions in the webpart. Usually, the PWA System maintenance staff will be crazy at this time, because no one changes the settings, the server services are normal, and this logical error occurs inadvertently under the project manager. I felt that the last second was still good, and suddenly I got down. (For administrators

')); Peoplestore.put ({name:"John",//name is the keyAge:23, Favoriteanimal:' Cat ' }); Peoplestore.put ({name:"Joe",//name is the keyAge:21, Favoriteanimal:' Cat ' }); Peoplestore.put ({name:"Jie",//name is the keyAge:22, Favoriteanimal:' Dog ' }); Peoplestore.put ({name:"Jay",//name is the keyAge:24, Favoriteanimal:' Dog ' }); returnTx.complete;}). Then (function() {Console.log ("People is added");}); Dbpromise.then (function(db) {vartx = Db.transaction (' People ', ' ReadWrite ');

(' Updatefound ',function(){ //reg.installing is changed })})Api:linkFor the service worker itself:var sw =// ... logs "Installing"/ /// "Installed" // "activating"/ /" avvtivated"// "redundant" Sw.addeventlistener (function() { // Sw.state has changed })Aslo about:Naviagetor.serviceWorker.controller"Navigator.serviceWorker.controller" refer to the service worker, that controls the page.So if there was no controller, then it means the data was loading from network:if (! Naviga

the root scope, so it's available to all the Child components.2. Our service worker file:// Sw.js Self.addeventlistener ('fetch', function (event) { Console.log (event. request);});Once you fetch the page seond time (first time service work do cache stuff), second time you'll see in the console, the Re is lots of requests log out. Of course, service worker has other event listeners:Self.addeventlistener ('Install', Function (Event) { // ..}); Self.addeventlistener ('Activate', Function

Mainly about Material design (effects/colors/flashy stuff) Components (web Components/polymer) Offline/notifications (Service worker/idb/firebase) Progressive Web App: HTTPS Add to Home screen Splash screen Service worker notifications, BG Sync Offline Service Worker: Send Reminders Sessiong starting/updated/rate Fully offline experience Offline analytices Performance To

Link to CodelabIn this codelab, we'll retrace those steps but this time we'll use a tool called Sw-precache to add offline functionality With only six lines of code. It's never been easier to add service worker support to an existing app, and we'll show you what in this codelab.Learning: What's the Sw-precache tool is and how it can help you being more productive How to add a basic service worker to an existing project using Sw-precache Install:git clone https://gith

) {returnResponse | |fetch (event.request); }) );});The Servephoto ():We want to make sure-things: We don ' t care the photo size, 800px,200px or 40px Because respond object can be is only access once, so we need Clone () the original one and use clone one for the CAHCE, retur n the original one to the browser. functionServephoto (Request) {varStorageurl = Request.url.replace (/-\d+px\.jpg$/, "); returnCaches.open (Contentimgscache). Then (function(cache) {returnCache.match (S

the create the cache, but it was not a useful until we use the cache.To use the cache, we can do:Self.addeventlistener (' Install ',function(event) {varUrlstocache = [ ‘/‘, ' Js/main.js ', ' Css/main.css ', ' Imgs/icon.png ', ' Https://fonts.gstatic.com/s/roboto/v15/2UX7WLTfW3W8TclTUvlFyQ.woff ', ' Https://fonts.gstatic.com/s/roboto/v15/d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff ' ]; Event.waituntil (//Todo:open A cache named ' Wittr-static-v1 ' //ADD cache The URLs

Label:Use the library indexeddb-promised. Create a database and Stroe: Import IDB from ' IDB '; // Open (db_name, version, CB) var function (upgradedb) { var// CREATE TABLE //put (value, key ) keyvalstore.put (' World ', ' Hello ') ; Notice put () function take value frist then key. Read the key in Stroe: // read "Hello" in "Keyval" Dbpromise.then (function (db) { var// Open a transaction var// read the store return// Get value by key }). Then (function (val)

When we save items to indexdb, we need to think about clean the items or keep those in a short list.Indexcontroller.prototype._onsocketmessage =function (data) {varMessages =json.parse (data); This. _dbpromise.then (function (db) {if(!DB)return; vartx = Db.transaction ('Wittrs','ReadWrite'); varstore = Tx.objectstore ('Wittrs'); Messages.foreach (function (message) {store.put (message); }); //Todo:keep The newest, entries in ' Wittrs ',//But delete the rest. // //hint:you can use. open

PHP provides four basic sorting algorithm examples and four Algorithm examples. PHP provides four basic sorting algorithm examples. many people say that algorithms are the core of the program. the quality of algorithms determines the quality of the program. As a beginner phper, although there is little access to four basic sorting algorithm

Php+mysql+jquery China Map Area Data Statistics Examples of examples of jquery explained Today I'm going to show you how to load data into a map in real-world applications. In this paper, we use php+mysql+jquery to realize the statistic effect of data in China map provinces. In this example, statistics on the number of active users in each province of a product background, data from the MySQL database, ac

Examples of extensions and inheritance usages of PHP classes, examples of PHP inheritance usages The examples in this article describe the extension and inheritance usage of PHP classes. Share to everyone for your reference. Specific as follows: I hope this article is helpful to everyone's PHP programming. http://www.bkjia.com/PHPjc/1019434.html www.bkjia.com

Java programming common memory overflow exceptions and code examples, java programming overflow examples Java heap is used to store object instances. Therefore, if we constantly create objects and ensure that there is a reachable path between GC Root and the created objects, the objects will not be garbage collected, when too many objects are created, the heap memory is insufficient, causing an OutOfMemoryE

Examples of PHP object-oriented polymorphism, examples of object-oriented What is polymorphism? Polymorphism is the third feature of object-oriented language following the abstraction and inheritance of database. Polymorphism is a variety of forms, with the ability to express a variety of forms of characteristics. Representation in an object-oriented manner is handled differently depending on the type of o

Examples of define usages in PHP, phpdefine usages The examples in this article describe define usage in PHP. Share to everyone for your reference. Specific as follows: "; } } Testfor (10);? > The results of the operation are as follows: Now it's 10: Sleep 3.14.Now it's 11: Sleep 3.14.Now it's 12: Sleep 3.14. I hope this article is helpful to everyone's PHP programming. http://www.bkjia.com/PHPjc/1040812

Detailed description and simple examples of JSP annotations, detailed examples of jsp annotations JSP comments and simple examples One or three formats Example 2 If you have any questions, please leave a message or go to the community on this site for discussion. Thank you for reading this article. Thank you for your support!

Simple and practical examples of ul and li lists, and simple and practical examples of ulli Examples of simple and practical code for ul and li lists: Ul and li can be used to implement the list effect. The following is a simple demonstration. The Code is as follows: The above code implements a simple demonstration of the list. The above code is more native. Som

Examples of jquery and json integration, examples of jqueryjson AJAX reduces network content transmission asynchronously, while JSON reduces the transmitted content to pure data. Then, jQuery's built-in AJAX function is used to directly obtain data in JSON format; bind the client directly to the data control to achieve optimal performance.1. design the htm page 2. Use jQuery to compile the AJAX request fil