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Nalezeno "Javascript": 807

Script & Style Show: Episode 6: Debugging with Jason Laster

7.4.2018
On this week’s episode: we welcome my colleague Jason Laster from Mozilla to speak about the Firefox DevTools debugger. We talk debugging, console shame, the future of JavaScript debuggers, and more! Have ideas for the next episode? Comment below! The post Script & Style Show: Episode...

Destructuring and Function Arguments

3.4.2018
The JavaScript language has benefitted from some really awesome new features over the past few years, including arrow functions, the spread operator, and default function argument values.  Even if your browser doesn’t yet support proposed JavaScript API syntax additions, you can use a tool...

Script & Style Show: Episode 5: Q&A

1.4.2018
On this week’s episode:  Todd’s back from vacation while David’s knee-deep in a Firefox Debugger breakpoint UI update.  We eventually move on to viewer questions that range form JavaScript knowledge, the Array.flatten controversy, front-end testing (TDD vs. BDD), and mastering...

5 Crucial Concepts for Learning d3.js and How to Understand Them

23.3.2018
You may have already heard about d3.js, the dazzling JavaScript library that lets you create beautiful charts and graphics with just a few lines of code. You might have seen some of the fantastic examples of D3 in action, or you may have heard that the New York Times uses it to create...

Script & Style Show: Episode 4: Tooling

19.3.2018
On this week’s episode:  David starts the show by revealing he has a headache and an hour of discussing JavaScript tooling will not make it better.  The show covers the history of JavaScript tooling (from nothing to JavaScript loaders, minifiers, webpack, and more), the pitfalls of popular...

Best Free Scroll To Top JavaScript Plugins & Snippets

16.3.2018
Out of all the free scripts on the web there’s nothing simpler than a scroll-to-top snippet. This adds a small arrow near the bottom of the page which, when... The post Best Free Scroll To Top JavaScript Plugins & Snippets appeared first on Onextrapixel

React Video Player

14.3.2018
Streaming entertainment is a massive interest of mine as both a consumer and web developer.  My love for streaming entertainment dates back to the early days of RealPlayer and the misery of a million codecs.  Fast forward to today and I’m working a lot with ReactJS, as well as the dozens...

Force a React Component to Re-Render

7.3.2018
The beauty of React components is that they automagically render and update based on a change in state or props; simply update the state from any place and suddenly your UI element updates — awesome!  There may be a case, however, where you simply want to brute force a fresh render of a React...

Ondřej Žára – async/await v praxi – jsDevMeetup

6.3.2018
Přijďte 13. 3. na přednášku vývojáře ze Seznamu Ondřeje Žáry. Na přednášce s názvem Async/await v praxi se dozvíte o výhodách a úskalích používání funkcí async a await v JavaScriptu. Další přednáška z…

Testovací trio Mocha, Chai a Sinon

14.2.2018
Představíme vám testovací framework Mocha, knihovny Chai a Sinon. Ukážeme, k čemu slouží, a na co si dát pozor při jejich používání. Dále vysvětlíme, jak se pracuje s knihovnou Sinon, která slouží pro mockování/stubování a vytváření špiónů

Jak na TDD v JavaScriptu

2.2.2018
O problematice TDD toho bylo napsáno již hodně, proto si v tomto článku jen osvěžíme nějaké základní pojmy a ukážeme si jak aplikovat tuto metodu na konkétním příkladě napsaném v JavaScriptu za pomocí testovacího frameworku Mocha a knihoven Chai, Sinon

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