#1. Default Parameter Values: In JavaScript we can pass default value to a parameter in function definition that can help to reduce a few number of lines. // Looooooong way…
In the various scenario, we need to calculate the number of months or number of weeks or number of years, etc. between two dates. We can calculate it using various methods of Dates given in JavaScript.
Code coverage provides information about whether, and optionally how often certain parts of an application have been executed. It’s commonly used to determine how thoroughly a test suite exercises a particular codebase.
What is a QR code? A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan.…
What is IndexedDB? IndexedDB is a large-scale, NoSQL storage system. It lets you store just about anything in the user's browser. In addition to the usual search, get, and put…
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…
