Documentation says that register method fires ‘install’ event only if service worker hasn’t been installed yet or if it needs to be updated (file size changed). When I register sw.js script and wait about 15-20 minutes and then reload page, service worker fires ‘install’ event again. What the reason? How can I increase my service ..
Category : browser
Below .js code should prevent user when entering letters instead of numbers, like social security or zip code field. When I try on browser with index file, it doesn’t display any error message and shows next page when submit form. I guess something is wrong with true/false statements.Or maybe need debugging. What could be the ..
Why does an infinite loop (even if you insert an alert and manually close it) cause the page to freeze? Its work fine for microcontrollers, but not for browsers. Why? while(true) { alert(); } In my understanding, there should be an endless call of a new alert when the old one is closed. This happens ..
I am working with one of the projects to make it compatible with IE8. I got this issue as I have shown below, will you please give me an alternate way or suggestion to use these functions in Javascript? SCRIPT438: Object doesn’t support property or method ‘includes’ SCRIPT436: Object doesn’t support property or method ‘indexOf’ ..
My web app needs to periodically check if the server is up. This allows users to start the server and client in either order. To do this, I’m simply calling the WebSocket constructor from inside a setTimeout handler. This strategy works well from a usage standpoint, but it is annoying for me the developer, because ..
Javascript frameworks transpile’s code from modern ES to browser supported ES, Why are we doing source-to-source compile while we can achive same with browser supported ES version Source: Ask Javascript..
I see errors or warnings But I can’t see my js lines which gets error and I can’t debug. Note: Js lines are in a html file, not external Source: Ask Javascript..
I Want To Get PDF file path after print and then upload it to a URL "test.php". window.print() And is there a library for that? Source: Ask Javascript..
I am trying to create small browser-game and have a lot of scripts sorted into different js files. Some of them reference other, each other and so on, therefore loading them in sequence so that first doesn’t try and use function from second is not possible. Therefore I have a common problem: One script tries ..
I’m really new to html, css, javascript and all kind of web development. After I coded my first own website, I’d like to play a little with communcation between the browser and a server. I’d like to be able to access a website hosted on my PC (using my PC as "Web" server) over my ..
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