June 2017
Intermediate to advanced
873 pages
18h 9m
English
Content preview from Dart: Scalable Application DevelopmentBecome 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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Automatic node finding
Like jQuery with its $ function, Polymer also has a very handy way to locate nodes in the DOM of the page. This recipe shows you how to use it. You can find the code in the project find_nodes.
How to do it...
- The script starts with
web\index.html, where a component with the namefind-nodesis imported through the following line:<link rel="import"href="find_nodes.html">
From this, we know that the component is defined in
find_nodes.html, and the code behind it is in a file namedfind_nodes.dart. For a discussion of the other tags, refer to the first recipe. - The code for
find-nodesis defined infind_nodes.dart:import'dart.html'; import'package:polymer/polymer.dart'; @CustomTag('find-nodes') classFindnodes extends PolymerElement ...
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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.
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