Basic Computer Science

Introduction to Event Handling ·         Event Handling is a software routine that processes actions, such as keystrokes and mouse movements. ·         It is the receipt of an event at some event handler…

·         Built-in objects are not related to any Window or DOM object model. ·         These objects are used for simple data processing in the JavaScript. Math Object ·         Math object is a built-in…

There are three types of errors in programming: (a) Syntax Errors, (b) Runtime Errors, and (c) Logical Errors. Syntax Errors Syntax errors, also called parsing errors, occur at compile time in traditional…

A regular expression is an object that describes a pattern of characters. The JavaScript RegExp class represents regular expressions, and both String and RegExp define methods that use regular expressions to perform powerful pattern-matching…

The Date object is a datatype built into the JavaScript language. Date objects are created with the new Date( ) as shown below. Once a Date object is created, a number of…

A Document object represents the HTML document that is displayed in that window. The Document object has various properties that refer to other objects which allow access to and modification…

We cannot treat JavaScript as a full-fledged programming language. It lacks the following important features − ·        Client-side JavaScript does not allow the reading or writing of files. This has been…

JavaScript is a dynamic computer programming language. It is lightweight and most commonly used as a part of web pages, whose implementations allow client-side script to interact with the user…

All the HTML elements can be categorized into two categories (a) Block Level Elements (b)Inline Elements. Block Elements Block elements appear on the screen as if they have a line break before and…

By default, your webpage background is white in color. You may not like it, but no worries. HTML provides you following two good ways to decorate your webpage background. HTML…