As front end developers, the browser console panel and the console API should be one of our primary tools. We all use the console.log() or console.dir() methods, but too few of us master the trace, time, profile and other magic methods that the console API provides. I will assume that you work with chrome and know how to access your console. I won’t write about the other pannels (Elements, Network…) but they are, of course, mandatory to master.
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Archives pour la catégorie javascript - english
How and why the hoisting works in JavaScript
Most of the decent fronts-end developers I met knew the basic principles of hoisting. How variables declarations are handled by JavaScript engines and why you may encounter what could appear as a quirk for a non JS developer. But fewer knew why it works that way and what happen under the hood. So I’ll try a basic explanation for these elements.
How to « find deep » and « get parent » in JavaScript nested objects with recursive functions and the reference concept (level : beginner)
Working with nested objects is frequent in JavaScript ; so I made this screen cast around this question. But the goal here is to help JavaScript beginners to understand how to build a simple recursive function and to get a better intuition about the reference system in JavaScript. The full text contents is in the post and you have also a fiddle to play with the code and see it in action.