The basic data type is the string. Strings are used to represent text. They are written by enclosing their content in quotes. `Down on the sea` “Lie on the ocean” ‘Float on the ocean’ You can use single quotes, double quotes, or backticks to mark strings, as long as the quotes at the start and … Read more
Values of the number type are, unsurprisingly, numeric values. In a JavaScript program, they are written as follows: 13 Use that in a program, and it will cause the bit pattern for the number 13 to come into existence inside the computer’s memory. JavaScript uses a fixed number of bits, 64 of them, to store … Read more
Imagine a sea of bits—an ocean of them. A typical modern computer has more than 30 billion bits in its volatile data storage (working memory). Nonvolatile storage (the hard disk or equivalent) tends to have yet a few orders of magnitude more. To be able to work with such quantities of bits without getting lost, … Read more
React does not set out to solve every problem that you will encounter in user interface design and front-end development. React solves a specific set of problems, and in general, a single problem. As stated by Facebook and Instagram, React builds large-scale user interfaces with data that changes over time. Large-scale user interfaces with data … Read more
React is a JavaScript framework. React was originally created by engineers at Facebook to solve the challenges involved when developing complex user interfaces with datasets that change over time. This is not a trivial undertaking and must not only be maintainable, but also scalable to work at the scale of Facebook. React was actually born … Read more
ReactJS is an open-source, component based front end library responsible only for the view layer of the application. It is maintained by Facebook. ReactJS uses virtual DOM based mechanism to fill in data (views) in HTML DOM. The virtual DOM works fast owning to the fact that it only changes individual DOM elements instead of … Read more
After you have an image ready to go, you can include it on your web page. Inline images are placed in HTML documents using the <img> tag. This tag, like the <hr> and <br> tags, has no closing tag in HTML. The <img> tag has many attributes that enable you to control how the image … Read more
GIF Graphics Interchange Format, also known as GIF, was once the most widely used image format. It was developed by CompuServe to fill the need for a cross-platform image format. The GIF format is okay for logos, icons, line art, and other simple images. It doesn’t work as well for highly detailed images because each … Read more
Huawei’s new range of smartphones could be the company’s ‘last hurrah’ outside China, according to an industry expert, as US sanctions continue to squeeze its business. Huawei unveiled its new Mate 40 line-up of smartphones yesterday, along with a new smartwatch – the GT 2 – and augmented reality glasses. However, the ongoing sanctions imposed … Read more
Facebook has announced the start of its independent Oversight Board on content moderation decisions. Facebook users can now appeal content-moderation decisions directly with its independent oversight board. The social media giant said users could go through this system once they had “exhausted the company’s appeal process”. The Board has the ability to overrule Facebook’s verdict … Read more