Modern JavaScript from the Beginning - Second Edition - Show Location on a Map

The video tutorial demonstrates how to use the Leaflet library to create a map that displays the user's geolocation. It covers setting up Leaflet using a CDN, initializing a map, adding markers, and using geolocation to dynamically update marker positions. The tutorial also explains how to add popups to markers and adjust the map's zoom level. The instructor provides a step-by-step guide, emphasizing the importance of understanding the Leaflet library's methods and documentation.

Which library is recommended for creating maps in this tutorial?

• OpenStreetMap

• Mapbox

• Leaflet

• Google Maps

What is the purpose of the 'map' ID in the HTML structure?

• To add markers to the map

• To serve as a placeholder for the map

• To style the map

• To initialize the map

What method is used to initialize a map in Leaflet?

• createMap()

• L.map()

• startMap()

• initMap()

How can you change the zoom level of a map in Leaflet?

• By adjusting the map's width and height

• By using the setZoom() method

• By changing the map's ID

• By setting the view with a zoom level

What JavaScript method is used to get the current position of a user?

• navigator.location.getCurrent()

• navigator.geolocation.getCurrentPosition()

• navigator.getCurrentLocation()

• navigator.getPosition()

Which method is used to update the marker's position on the map?

• marker.moveTo()

• marker.setLatLng()

• marker.changeLocation()

• marker.updatePosition()

What can be included in a pop-up on a Leaflet map?

• Only images

• Only links

• Only plain text

• HTML content