Download Beginning Google Maps API 3 by Gabriel Svennerberg PDF

By Gabriel Svennerberg

This ebook is set the following iteration of the Google Maps API. it is going to give you the reader with the abilities and data essential to comprise Google Maps v3 on websites in either computer and cellular browsers.

It additionally describes the way to take care of universal difficulties that almost all map builders stumble upon sooner or later, like functionality and usefulness matters with having too many markers and attainable options to that.
* advent to the Google Maps API v3
* suggestions to universal difficulties so much builders encounters (too many markers, universal JavaScript pitfalls)
* top practices utilizing HTML/CSS/JavaScript and Google Maps
<h3>What you’ll learn</h3> * development trustworthy Google Maps internet applications
* easy methods to move from model 2 to model three of the API
* top practices utilizing HTML/CSS/JavaScript
* facing quite a lot of map markers
* easy methods to lookup addresses and coordinates utilizing GeoCoding and reversed GeoCoding
<h3>Who this publication is for</h3>
Web designers/web builders with a easy wisdom of HTML, CSS and JavaScript, in addition to individuals with wisdom of the previous Google Maps API that wishes aid to simply move to the hot API. And, this e-book is for somebody drawn to studying how you can combine Google Maps on their internet page.

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Extra resources for Beginning Google Maps API 3

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If your code validates, you will get a nice green notification that the document has been successfully checked (Figure 3-1). 24 CHAPTER 3 ■ CREATING YOUR FIRST MAP Figure 3-1. A successfully checked web page, incidentally being the home page of my blog If, on the other hand, the page doesn’t validate, you will get an angry red message that tells you so (Figure 3-2). Don’t be intimidated by the number of errors. Often several errors depend on a single error, so it probably looks worse than it is.

As you’ve already seen, an object literal is an object that is created on the fly, which means that at the same time you create it, you also provide it with its values. Using this feature of the JavaScript language, you create a variable called options with the three properties that are required to make the map work: • center Defines the center of the map with a coordinate. LatLng (Table 3-3). • zoom Defines the initial zoom level of the map. It must be a number between 1 and 23, where 1 is zoomed all the way out and 23 is zoomed all the way in.

Org. 26 CHAPTER 3 ■ CREATING YOUR FIRST MAP Other Tools If you’re using Firefox, there are several extensions that you can use to validate your code without having to visit W3C’s web site. The following are three very useful extensions that I use. Page Validator The Page Validator extension was created by Michael Langely. It adds a menu option in your Tools menu. When you select the menu item, it sends the page you’re currently on to the W3C validator page. org/en-US/firefox/addon/2250 Html Validator The Html Validator extension, which was created by Marc Gueury, is specifically used for validating web pages.

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