Zhentiw - 博客园

2016年5月18日

摘要： Create a db: The oldVersion switch between old db and new db. So here we create a new people db. ReadWrite: Group By:TO do gourp by we need to create 阅读全文

posted @ 2016-05-18 04:04 Zhentiw 阅读(228) 评论(0) 推荐(0)

[PWA] 12. Intro to IndexedDB

摘要： Use the library indexedDB-promised. Create a database and stroe: Notice put() function take value frist then key. Read the key in stroe: Write value t 阅读全文

posted @ 2016-05-18 03:41 Zhentiw 阅读(225) 评论(0) 推荐(0)

[PWA] 11. Serve skeleton cache for root

摘要： Intead of cache the root floder, we want to cache skeleton instead. Respond to requests for the root page with thepage skeleton from the cache: 阅读全文

posted @ 2016-05-18 03:15 Zhentiw 阅读(196) 评论(0) 推荐(0)

2016年5月17日

[CSS3] Using CSS Combinators to Identify Siblings and Descendants in CSS

摘要： CSS combinators allows us to reference the DOM relationship between two or more elements in CSS. 阅读全文

posted @ 2016-05-17 22:41 Zhentiw 阅读(219) 评论(0) 推荐(0)

[Javascript] Logging Pretty-Printing Tabular Data to the Console

摘要： Learn how to use console.table to render arrays and objects in a tabular format for easy scanning over the values. We'll create some mock data and the 阅读全文

posted @ 2016-05-17 21:21 Zhentiw 阅读(191) 评论(0) 推荐(0)

[Javascrip] Logging Timing Data to the Console

摘要： Learn to use console.time with console.timeEnd to get accurate timings of operations in javascript. This tool can help with javascript profiling and p 阅读全文

posted @ 2016-05-17 21:14 Zhentiw 阅读(176) 评论(0) 推荐(0)

[PWA] 10. Trigger a version update

摘要： When the refersh button is clicked, we need to tell the waiting service worker to replace the current service worker right away. Then we refresh the p 阅读全文

posted @ 2016-05-17 03:35 Zhentiw 阅读(322) 评论(0) 推荐(0)

[PWA] 9. Service worker registerion && service work's props, methods and listeners

摘要： In some rare cases, you need to ask user to refresh the browsser to update the version. Maybe because some secrity issues. As we have learnt so far. A 阅读全文

posted @ 2016-05-17 02:54 Zhentiw 阅读(478) 评论(0) 推荐(0)

2016年5月16日

[PWA] 8.Unobtrusive update: Delete old cache and only keep one, hard refresh to let new SW to take control

摘要： So once you modify the code, service worker will auto create a new one and it won't take control over until the previous service work total die(close 阅读全文

posted @ 2016-05-16 21:19 Zhentiw 阅读(243) 评论(0) 推荐(0)

[PWA] 7. First Cache when installed

摘要： If you want your application works offline or lie-wifi. You need to use cache. API: Create Caches: Create single cache: Get the cache: When to start c 阅读全文

posted @ 2016-05-16 20:11 Zhentiw 阅读(306) 评论(0) 推荐(0)

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