January 2016
Intermediate to advanced
278 pages
4h 53m
English
Content preview from Mastering Backbone.jsBecome 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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Uploading images from Backbone
To allow us to upload files from our Backbone application, we should create an input file to be able to show a Choose file dialog. This could be done in the ContactEditor sub-application by changing the ContactPreview class to add this functionality. So let's change the current template and add the input:
<div class="box thumbnail">
<div class="photo">
<% if (avatar && avatar.url) { %>
<imgsrc="<%= avatar.url %>" alt="Contact photo" />
<% } else { %>
<imgsrc="http://placehold.it/250x250" alt="Contact photo" />
<% } %>
<input id="avatar" name="avatar" type="file"
style="display: none" />
</div>
<!-- ... -->
</div>Note that we have created a hidden input file field; we don't want to show the input field, but we want ...
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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.