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
Front-end web development, also known as client-side development is the practice of producing HTML, CSS and JavaScript for a website or Web Application so that a user can see and interact with them directly. The challenge associated with front end development is that the tools and techniques used to create the front end of a … Read more
For a number of years web standards used various forms of HTML 4. The HTML 5 specification was finally completed in 2014 although many browsers already incorporated elements of the specification so there was no real delay before developers could start to use it. Now, the latest browsers largely support the specification. HTML 5 takes … Read more