October 5, 2022 - 2 minutes
Micro- and macrotasks. Event loop.
You probably know that the JS engine is single-threatened, but still, the browser is not blocked when you make, e.g. an AJAX call. Have you wondered why? Let's go deeper into the async world in JS and discover the differences between micro and macro tasks.
Learn moreOctober 10, 2022 - 2 minutes
Backwards and forwards compatibility
Do you know what backwards and forwards compatibilities are? Do you know which one of them is JavaScript and which one - HTML? Do you know what are the consequences? Let's find out!
Learn moreOctober 17, 2022 - 1 minute
Strict mode
The strict mode was introduced in ECMAScript 5 as an opt-in mechanism. It helps developers write safer code by providing several really useful changes to normal JavaScript semantics. However it has some cons as well...
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