Zhentiw - 博客园

2016年5月17日

[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(175) 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(321) 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(475) 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(242) 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(304) 评论(0) 推荐(0)

[PWA] 6. Hijacking response

摘要： For example, if the url is not match to any API endpoint, we want to return 404 error message. So first thing, we want to send the request to the serv 阅读全文

posted @ 2016-05-16 16:03 Zhentiw 阅读(215) 评论(0) 推荐(0)

[Javascript] Using console.count to Count Events

摘要： Learn how to user console.count in order to log out how many times a given thing has happened. for(var i = 0; i < 10; i++){ var num = Math.random() * 阅读全文

posted @ 2016-05-16 15:37 Zhentiw 阅读(142) 评论(0) 推荐(0)

[Javascript] Proper use of console.assert in JavaScript

摘要： Learn about console.assert, which is syntactic sugar for logging an error the console when a given condition is not met. It's useful, but may not do w 阅读全文

posted @ 2016-05-16 15:32 Zhentiw 阅读(148) 评论(0) 推荐(0)

[Javascript] Grouping and Nesting Console Log Output

摘要： Organize your log output by grouping your logs into collapsable hierarchies using console.group(). for(var i = 0; i < 100; i++){ var num = Math.random 阅读全文

posted @ 2016-05-16 15:23 Zhentiw 阅读(160) 评论(0) 推荐(0)

[PWA] 5. Hijacking one type of request

摘要： Previously we saw how to Hijacking all the reqest, but this is not useful. So now we want to see how to Hijacking one kind of request. For example we 阅读全文

posted @ 2016-05-16 04:35 Zhentiw 阅读(181) 评论(0) 推荐(0)

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