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

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Questions and Answers

What are the data types supported by Java Script?

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

Write a Java Script code to find factorial of a number.

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);

Explain the different types of positioning techniques used in web development.

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

What is a form in web programming?

A form in web programming is used to collect user input. It consists of various form components like input fields, buttons, checkboxes, etc. Signup and view all the answers

Explain the concept of composite data types in JavaScript.

In JavaScript, composite data types are objects that can hold multiple values. Arrays and objects are examples of composite data types. Signup and view all the answers

Explain the table tag in HTML with an example.

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

What is the significance of focus and blur events in JavaScript?

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. Signup and view all the answers

How does the navigator object in JavaScript benefit web development?

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

Define XML and its role in web development.

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

Explain the difference between XML schema and DTD.

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. Signup and view all the answers

What are composite datatypes in Java Script?

Composite datatypes in JavaScript are objects and arrays, which can hold multiple values. Signup and view all the answers

What is XML schema?

XML schema is a description of the structure and content of an XML document. Signup and view all the answers

What do you mean by Math and date object in JavaScript?

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

What are Mouse events?

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

What is an event handler?

An event handler in JavaScript is a function that is executed when a specific event occurs, such as a click or keypress. Signup and view all the answers

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