Book Image

jQuery HOTSHOT

By : Dan Wellman
Book Image

jQuery HOTSHOT

By: Dan Wellman

Overview of this book

jQuery is used by millions of people to write JavaScript more easily and more quickly. It has become the standard tool for web developers and designers to add dynamic, interactive elements to their sites, smoothing out browser inconsistencies and reducing costly development time.jQuery Hotshot walks you step by step through 10 projects designed to familiarise you with the jQuery library and related technologies. Each project focuses on a particular subject or section of the API, but also looks at something related, like jQuery's official templates, or an HTML5 feature like localStorage. Build your knowledge of jQuery and related technologies.Learn a large swathe of the API, up to and including jQuery 1.9, by completing the ten individual projects covered in the book. Some of the projects that we'll work through over the course of this book include a drag-and-drop puzzle game, a browser extension, a multi-file drag-and-drop uploader, an infinite scroller, a sortable table, and a heat map. Learn which jQuery methods and techniques to use in which situations with jQuery Hotshots.
Table of Contents (18 chapters)
jQuery HOTSHOT
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Showing the company HQ with a custom overlay


In this task we'll put the company HQ on the map, literally, by adding a custom marker complete with an overlay that provides some basic information about the company, and perhaps an image of the premises.

Prepare for Lift Off

In this task we'll cover the following subtasks:

  • Adding a marker to the map

  • Adding a hidden element containing information about the company

  • Adding a custom overlay to display the company information when the new marker is clicked

  • Adding a click handler to show the overlay when the marker is clicked

Engage Thrusters

Adding a custom marker to the map can be achieved with the following simple code block, which should be added directly after the variables we added in the previous task:

var homeMarker = new api.Marker({
    position: mapCenter,
    map: map,
    icon: "img/hq.png"
});

To create an information overlay, or info window to use the correct Google terminology, for our new marker, we should first add an HTML element that contains...