Tag Archives: javascript

Codemotion 2018 @ Rome

15/10/2018 Simone Rescio Leave a comment

Codemotion returned to Rome in April 2018: field notes on browser evolution, security, and new web APIs from a front-end perspective.

JavaScript

Chrome changes its center of gravity, reference is not the document but the viewport

01/03/2017 Simone Rescio Leave a comment

Since Chrome 56, the browser natively handles above-the-fold content changes by adjusting the scroll position on its own. Learn how to detect this behaviour and adapt your JavaScript accordingly.

WebTech

Codemotion 2016 @ Milan

03/12/2016 Simone Rescio Leave a comment

My path through Codemotion 2016 in Milan: two days of tech talks covering async/await, Angular 2, Progressive Web Apps, microservices, and Atlassian’s coding culture.

JavaScript

Luhn-valid credit card number generator for arbitrary BIN

22/09/2016 Simone Rescio Leave a comment

If you run your own payment page, you probably know by now that the MasterCard 2-series BIN expansion is coming, and having some test cards to run against validators is always useful to check that your front-end update is going well—but where do you get them? There are many websites that provide generators that produce … Continue reading Luhn-valid credit card number generator for arbitrary BIN →

JavaScript

Mind the dollar while debugging, jQuery vs Command Line API

03/09/2016 Simone Rescio Leave a comment

Developer consoles expose $ like jQuery, but it is not the same API at runtime. How empty selectors and Chrome’s console behaviour can mislead you while debugging.

JavaScript

You have not misunderstood closures and variables scope, Chrome debugger is trolling you

22/05/2016 Simone Rescio Leave a comment

Chrome’s debugger hides closure variables from upper scopes as a V8 memory optimization at runtime — it’s not a bug in your code, the debugger is trolling you.

WebTech

DotCSS && DotJS conferences @ Paris 2014

14/12/2014 Simone Rescio Leave a comment

The Expedia (Venere) front-end team at dotCSS and dotJS in Paris (November 2014): speakers, deck links, photos, and the lost-wallet story. Italian twin post available via the language switcher.

JavaScript

YOURLS spam clean up with a few lines of JavaScript

13/10/2014 Simone Rescio Leave a comment

Cleaning YOURLS spam when the stock antispam fights WordPress: manual IP blacklist, console JavaScript to batch-copy IPs and mass-delete spam rows in the admin UI.

CSS, JavaScript

Eight things to care about for a mobile site on Windows Phone 8

22/09/2014 Simone Rescio Leave a comment

Eight practical pitfalls when adapting a WebKit-first mobile site to Windows Phone 8 / Internet Explorer: CSS viewport, resize quirks, tap highlight, pointer events, CSS masks, icon fonts, and remote debugging.

WebTech

The Next Challenge of the Web is Us

Video 03/08/2014 Simone Rescio Leave a comment

ForwardJS keynotes of Christian Heilmann (@codepo8) addressing the growing complexity of frontend development technologies and how important it is that we keep the initial barrier low to make the web accessible to new developers and publishers as well. Many new IT users land directly on smartphones with their closed-app ecosystems. How can we bring the web to these new users? See also A user interface is like a joke.

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