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Understand the difference between expressions and statements. Watch this to learn about environment and scope: ...

Surma shows you the new Object Spread operator “...” in JavaScript. If you have questions or suggestions, hit us up on Twitter!

Observers are an awesome (though maybe under appreciated) feature of Polymer that let you react to property changes in your ...

In programming, array grouping is an extremely common operation, seen most often when we use SQL's GROUP BY clause and ...

Surma shows how you can create an event listener, that is only used once. If you have questions or suggestions, hit us up on ...

Learn about IF conditions in JavaScript and boolean algebra. Watch this video to learn about errors: ...

Promises make asynchronous programming much easier than the traditional event-listener or callback approaches. This video ...

The Fetch API is a modern replacement for XMLHttpRequest. It includes much of the code you used to write for yourself: handling ...

Java doesn't always have to evaluate both sides of a compound condition. See how it can “short circuit” the evaluation.

Mat Scales talks about image filters in a Progressive Web App including sharpening, contrast & vignettes. Surma & Mat's WebGL ...

We're breaking down all things web at Google I/O 2023! From the latest in the web, Chrome DevTools, web UI, and much more ...

վարժություն 1 --------------------------- let a = 2; let b = "3"; let z = "a" + b; alert(z); վարժություն 2 ...