Frequently

Web design is the process of creating websites. It encompasses several different aspects, including webpage layout, content production, and graphic design. While the terms web design and web development are often used interchangeably, web design is technically a subset of the broader category of web development.

CSS is called as “cascading style sheets”. It is mainly used to open and control web pages. It is usually used for controlling web pages which include font sizes, font styles and colour combinations that is necessary for the webpage. CSS files makes changes globally as any change in a CSS file can also lead to an overall change in the website appearance. This means that any change in a certain CSS file can cause automatic changes to the pages that uses that certain CSS file and will display the changes.

There are six types of JavaScript: Object, null, string, undefined, Boolean and number. Objects include functions, array and ordinary objects. Numbers may include integers and real numbers, and also include special values such as NaN and infinity. Strings include empty strings.

HTML5 is the newer version of the basic HTML that includes various other properties such as placeholder, video and audio modifications, canvas, 2d and 3d images, date select function and also an added local SQL database. This also enables the webpage to reduce the use of external plugins such as Flash players or any other libraries.

It is a number in JavaScript which is formed by dividing a negative number by zero. The number will return undefined, if used by negative infinity. Example: number.negative_infinity.