Many users want to continue consuming media while they interact with other content, sites, or applications on their device. For this type of activity Picture-in-Picture web browser feature is best.
Optional Chaining is a new Operator in JavaScript, which might be not supported by the old version of the browser. Most of the latest versions of the browser support this…
In ECMAScript 2020, also known as ES11 Nullish Coalescing operator introduce. The nullish coalescing operator (??) is a logical operator that returns its right-hand side operand when its left-hand side operand is null…
Strings are useful for holding data that can be represented in text form. String is a datatype which store text that can be number, letter, symbol emoji or any symbol…
The JavaScript Array class is a global object that is used in the construction of arrays; which are high-level, list-like objects. Arrays are list-like objects whose prototype has methods to perform traversal and…
JavaScript introduces two new keywords for variable let and const. Now, For a newbie user what is Difference b/w JavaScript var let and const. Let see in detail their feature and use-cases and they behave in a different scenario.
Are you confuse between map() and forEach(). Many times you face this question interview but you are unable to explain it better way. Let clear this concept in depth.
While working on front-end most of the time we use console.log(). In sort for front-end developers, it is a tool for debugging. But most of the developer doesn't know the real power of the console. It consists of lots of features
