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Articles tagged with #html5
Closures in JavaScript, a concept you would never skip before going for a JS interview. If you don't know what this term means, let me brief you on the same. A proper definition of closure could look something like this: A Closure in JavaScript is a...
![Closures in JavaScript [Easily explained]](/_next/image?url=https%3A%2F%2Fcdn.hashnode.com%2Fres%2Fhashnode%2Fimage%2Fupload%2Fv1644164615666%2FKWi0TVaxF.png&w=3840&q=75)
In the web world, technologies and functionalities are getting updated rapidly. But that doesn't necessarily mean that our browser is ready to serve us every new functionality. But one doesn't have to sacrifice using the latest features in your appli...
If you're a JavaScript developer, you might have come across the word "prototype". But have you come across "__proto__"? If yes, ever wondered what's the difference? If not, let me fill you in. Prototype It is an object that contains certain propert...
Did you know that JavaScript allocates memory to all variables and functions first, even before executing the code? Yes, that's true. And this results in a phenomenon called "hoisting" in JavaScript. Hoisting allows us to use variables and functions ...
![Hoisting in JavaScript [must know concept]](/_next/image?url=https%3A%2F%2Fcdn.hashnode.com%2Fres%2Fhashnode%2Fimage%2Fupload%2Fv1643896032909%2F3XE8O3irz.png&w=3840&q=75)
JavaScript's strict mode, introduced in ECMAScript 5, optimizes code for JS engine, eliminates bad-syntax code, and helps in writing secure JavaScript. Let's take a slightly deeper dive into this concept. "Use strict" mode in JS applies certain restr...
The behavior of this keyword in different contexts can be very confusing for a JavaScript developer. Here is some must-know information regarding the same. First things first, what exactly is this? This is a keyword that references the object that is...
