Modern JavaScript from the Beginning - Second Edition - GeoLocation API

Modern JavaScript from the Beginning - Second Edition - GeoLocation API

Assessment

Interactive Video

Information Technology (IT), Architecture, Geography, Science

University

Hard

Created by

Wayground Content

FREE Resource

The video tutorial introduces the Geolocation API, explaining how it allows access to a user's location with permission. It covers the main methods: getCurrentPosition and watchPosition, detailing their usage and options. The tutorial demonstrates how to implement these methods in HTML using JavaScript, including handling success and error callbacks. It also discusses configuring options like enableHighAccuracy, timeout, and maximumAge. The video concludes with an example of using watchPosition to track location changes and clearWatch to stop tracking.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the Geolocation API?

To enhance website graphics

To track user location with permission

To improve website speed

To manage user data storage

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which object in the global window contains the Geolocation API?

Window

Document

Location

Navigator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the getCurrentPosition method do?

Retrieves the device's current location

Tracks user movement continuously

Caches user data

Sends notifications to the user

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the watchPosition method?

To register a handler function for location updates

To enhance website security

To clear cached data

To retrieve the device's current location once

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three arguments taken by getCurrentPosition?

User ID, session ID, timestamp

API key, secret key, token

Success callback, error callback, options object

Latitude, longitude, accuracy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does setting enableHighAccuracy to true do?

Caches the location data

Uses GPS for better accuracy if available

Increases the speed of location retrieval

Disables location tracking

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the clearWatch method?

To reset the location data

To increase tracking accuracy

To stop tracking location updates

To start tracking location

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?