Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
The Modern JavaScript Application
Search
Andy Appleton
October 16, 2012
Technology
5
560
The Modern JavaScript Application
A talk at FOWA London
Andy Appleton
October 16, 2012
Tweet
Share
More Decks by Andy Appleton
See All by Andy Appleton
Done is better than perfect
appltn
0
510
Rage against the state machine
appltn
1
410
Modular UI with (Angular || Ember)
appltn
0
100
Building web apps with Express
appltn
4
470
Object Creation Pattern Performance
appltn
1
700
Introducing Mint Source
appltn
1
390
Other Decks in Technology
See All in Technology
CEL(Common Expression Language)で書いた条件にマッチしたIAM Policyを見つける / iam-policy-finder
fujiwara3
0
720
AIエージェントを現場に導入する目線とは
masahiro_nishimi
1
1.5k
成長期に歩みを止めないための創業期の開発文化形成
mayah
6
420
プレイドにおけるDatadog APMの活用方法
plaidtech
PRO
2
120
Classmethod Odyssey 登壇資料
yamahiro
0
390
たくさん本を読んだけど 1年後には綺麗サッパリ!を乗り越えて 学習の鬼になるぞ👹
yum3
0
160
Flutter研修【MIXI 24新卒技術研修】
mixi_engineers
PRO
0
160
エンジニア向け会社紹介資料
caddi_eng
14
230k
20240717_イケコパ代表Copilot_in_Teams会社でこう使ってます
ponponmikankan
2
430
累計ダウンロード数1億8000万を超えるアプリケーションプラットフォームのレガシーシステム脱却とモダン化への道
kmitsuhashi
0
120
Azure Pipelinesを使用したCICDベースラインアーキテクチャ実践
yuriemori
0
190
What is DRE? - Road to SRE NEXT@広島
chanyou0311
3
630
Featured
See All Featured
What's in a price? How to price your products and services
michaelherold
239
11k
What's new in Ruby 2.0
geeforr
338
31k
KATA
mclloyd
20
13k
How To Stay Up To Date on Web Technology
chriscoyier
784
250k
Fontdeck: Realign not Redesign
paulrobertlloyd
79
5.1k
Why You Should Never Use an ORM
jnunemaker
PRO
51
8.9k
It's Worth the Effort
3n
181
27k
Building Adaptive Systems
keathley
34
2k
[RailsConf 2023] Rails as a piece of cake
palkan
35
4.4k
Optimizing for Happiness
mojombo
373
69k
Web development in the modern age
philhawksworth
203
10k
How GitHub (no longer) Works
holman
305
140k
Transcript
The Modern JavaScript Application Andy Appleton @appltn http://appleton.me
JS is growing up we are doing more and more
with it and we need more robust tools
$(function(){ $('.thing').on('click', function(ev){ ev.preventDefault(); var $link = $(this) $.get($link.attr('href'), function(data)
{ $link.fadeOut(function(){ $('body').append(data); }); }); }); });
We can do better other languages have rich sets of
tools and patterns, we can too!
None
None
None
Models var Person = Backbone.Model.extend({ sayName: function(){ return this.get('name'); }
}); var andy = new Person({ name: 'Andy' }); andy.sayName(); // => 'Andy'
Collections var People = Backbone.Collection.extend({ sayNames: function(){ return this.map(function(model){ return
model.get('name'); }).join(', '); } });
Views var PersonView = Backbone.view.extend({ render: function(){ this.el.innerHTML = this.model.get('name');
} });
Tools
None
None
Modules defined chunks of code which list their own dependencies
Our Model From Earlier define(['path/to/dependency'], function(dependency){ return Backbone.Model.extend({ // Adding
methods and properties }); });
Alternative Syntax define(function(require){ var dependency = require('path/to/dep'); return Backbone.Model.extend({ //
Adding methods and properties }); });
Structure & Conventions Split each module into a separate file
None
The Requests!
The Requests! The Humanity!
r.js The RequireJS build tool
$ node r.js -o config.js Concatenate & minify JS into
a single file Concatenate & minify CSS via @import
None
Templating
None
http://handlebarsjs.com/
var input = '<h1>{{ name }}</h1>'; var templateFn = Handlebars.compile(input);
var output = templateFn({ name: 'Andy' }); // => '<h1>Andy</h1>'
var input = ' <article>\ <header>\ <h1>{{title}}</h1>\ by {{author}} on
{{date}}\ </header>\ {{content}}\ </article>\ ';
index.html <script type="text/template" id="tpl-name"> <article> <header> <h1>{{title}}</h1> ...etc </script> my-view.js
var input = $('#tpl-name').text(); // ...compile etc
https://github.com/SlexAxton/require-handlebars-plugin
my-view.js define(function(require){ var templateFn = require('hbs!path/to/tpl'); // View now has
access to compiled template // function }); post-template.hbs <article> <header> <h1>{{title}}</h1> ...etc
my-view.js define(function(require){ var templateFn = require('hbs!path/to/tpl'); // View now has
access to compiled template // function }); post-template.hbs <article> <header> <h1>{{title}}</h1> ...etc
Handy Patterns
Mediator A central object to publish and subscribe to global
events
var mediator = _.clone(Backbone.Events); mediator.on('eventname', function(args){ console.log(args); }); mediator.trigger('eventname', 'sausages');
// => 'sausages' mediator.off('eventname');
Model Caching sharing model instances across views
define(function(require){ var _cache = {}, Model = Backbone.Model.extend(); Model.create =
function(opts) { if (opts.id && !_cache[opts.id]) { _cache[opts.id] = new Model(opts); } return _cache[opts.id]; }; return Model; });
define(function(require){ var _cache = {}, Model = Backbone.Model.extend(); Model.create =
function(opts) { if (opts.id && !_cache[opts.id]) { _cache[opts.id] = new Model(opts); } return _cache[opts.id]; }; return Model; });
define(function(require){ var _cache = {}, Model = Backbone.Model.extend(); Model.create =
function(opts) { if (opts.id && !_cache[opts.id]) { _cache[opts.id] = new Model(opts); } return _cache[opts.id]; }; return Model; });
Unit Testing
None
http://pivotal.github.com/jasmine/
var Person = Backbone.Model.extend({ sayName: function(){ return this.get('name'); } });
Our Model From Earlier (again)
describe('Person model', function(){ describe('#sayName', function(){ it('returns `name` attribute', function(){ var
person = new Person({ name: 'Andy' }); expect(person.sayName()).toEqual('Andy'); }); }); });
None
Automation
Grunt JS command line build tool http://gruntjs.com/
None
+ http://phantomjs.org/
None
None
None
https://github.com/mrappleton/jasmine-examples
None
Andy Appleton @appltn http://appleton.me