JavaScript, Form Components, Positioning Techniques, DTD, XHTML Events Quiz

The data types supported by Java Script are string, number, boolean, null, undefined, and object.

function factorial(num) { if(num === 0 || num === 1) return 1; for(let i = num - 1; i >= 1; i--) { num *= i; } return num; } let number = 17; let result = factorial(number);

The different types of positioning techniques in web development are static, relative, absolute, fixed, and sticky positioning.

A form in web programming is used to collect user input. It consists of various form components like input fields, buttons, checkboxes, etc.

In JavaScript, composite data types are objects that can hold multiple values. Arrays and objects are examples of composite data types.

The tag in HTML is used to create tables. It consists of for table rows, for table data cells, and for table headers.

The focus event is triggered when an element receives focus, while the blur event is triggered when an element loses focus. They are essential for handling user interactions and enhancing accessibility.

The navigator object provides information about the browser and its capabilities, allowing developers to customize content based on the user's environment.

XML stands for Extensible Markup Language and is used for storing and transporting data. It is crucial for structuring information in a readable format.

XML Schema is more powerful and expressive than DTD, allowing for more detailed data validation and definition. DTD, on the other hand, is simpler and has been around longer.

Composite datatypes in JavaScript are objects and arrays, which can hold multiple values.

XML schema is a description of the structure and content of an XML document.

In JavaScript, the Math object provides mathematical constants and functions, while the Date object is used to work with dates and times.

Mouse events in JavaScript are actions that can be detected when interacting with a webpage using a mouse, such as click, hover, or scroll.

An event handler in JavaScript is a function that is executed when a specific event occurs, such as a click or keypress.