October 2011
Beginner to intermediate
448 pages
9h 25m
English
Content preview from HTML5 and JavaScript Projects
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HTML5, CSS, JavaScript, and PHP Features
In this section, I will explain the features used to accomplish the requirements for the basic geolocation project and the e-mail project.
Geolocation
The W3C standard for geolocation is independent of how or what service actually supplies the information. It is assumed that the task will take time, so the request is set up as an asynchronous request. The code I wrote to make the request is
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(handler, problemhandler, positionopts);
}
else {
if (document.getElementById("place")) {
document.getElementById("place").innerHTML = "I'm sorry but geolocation services
are not supported by your browser"; document.getElementById("place").style.color ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.