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<!DOCTYPE html>

<title>JavaScript - Full Stack Python</title>

<!--[if lt IE 9]>

<![endif]-->

</head>

<body>

</a>

<span class="logo-title"><a href="http://daigo3.github.io/fullstackpython.github.com/">Full Stack Python</a></span>

</div>

</div><div class="row">

<h1>JavaScript</h1>

<p><!-- JavaScript is a small scripting programming language embedded in web browsers

to enable dynamic content and interaction. -->

JavaScriptはWebブラウザに組み込まれたスクリプト言語で、Webページをダイナミックでインタラクティブにすることができます。</p>

<h2>なぜJavaScriptは必要？</h2>

<p><!-- JavaScript executes in the client and enables dynamic content and interaction

that is not possible with HTML and CSS alone. Every modern Python web

application uses JavaScript on the front end. -->

JavaScriptはクライアント側で実行され、HTMLとCSSだけでは実現できないダイナミックなWebアプリケーションを作ることができます。モダンなPython Webアプリケーションでは、フロントエンドにJavaScriptを利用しています。</p>

<h2>フロントエンドフレームワーク</h2>

<p><!-- Front end JavaScript frameworks move the rendering for most of a web

application to the client side. Often these applications are informally

referred to as "one page apps" because the webpage is not reloaded upon every

click to a new URL. Instead, partial HTML pages are loaded into the

document object model or data is retrieved through an API call then displayed

on the existing page. -->

フロンエンドJavaScriptフレームワークでは、Webアプリケショーンのレンダリングの大部分をクライアントサイドで行います。このようなアプリケーションは、URLの遷移のためにページを再読み込みを行わないことから"シングルページアプリケーション"と呼ばれることがあります。DOM内に部分的なHTMLを読み込んだり、データをAPIから取得しページに表示することができます。</p>

<p>このような機能を持つフロントエンドのJavaScriptフレームワークには以下の様なものがあります。</p>

<ul>

<li>

<p><a href="https://angularjs.org/">Angular.js</a></p>

</li>

<li>

<p><a href="http://backbonejs.org/">Backbone.js</a></p>

</li>

<li>

<p><a href="http://emberjs.com/">Ember.js</a></p>

</li>

</ul>

<!-- Front end frameworks are rapidly evolving. Over the next several years

consensus about good practices for using the frameworks will emerge. -->

<p>フロントエンドJavaScriptフレームワークの進化はとても速く、数年もすれば、これらのフレームワークを利用するための、一致した最適解も出てくるでしょう。</p>

<h2>JavaScriptはどのように発展してきたか</h2>

<!-- JavaScript is an implementation of

[the ECMAScript specification](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/JavaScript_Overview)

which is defined by the

[Ecma International Standards Body](http://www.ecma-international.org/default.htm). -->

<p>JavaScriptは、<a href="http://www.ecma-international.org/default.htm">Ecma International Standards Body</a>によって定められた<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/JavaScript_Overview">the ECMAScript specification</a>の実装です。</p>

<h2>JavaScriptを学ぶためのリソース</h2>

<p><!-- * <a href="http://www.html5rocks.com/en/tutorials/internals/howbrowserswork/">How Browsers Work</a>

is a great overview of both JavaScript and CSS as well as how pages are

rendered in a browser. -->

* <a href="http://www.html5rocks.com/en/tutorials/internals/howbrowserswork/">How Browsers Work</a>は、JavaScriptとCSS、そしてブラウザでページがどのようにレンダリングされるかを解説している素晴らしい記事です。</p>

<!-- * [A re-introduction to JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript/A_re-introduction_to_JavaScript)

by Mozilla walks through the basic syntax and operators. -->

<ul>

<li>Mozillaの<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/A_re-introduction_to_JavaScript">A re-introduction to JavaScript</a>は、文法と演算子の基本を学ぶことができます。</li>

</ul>

<!-- * [Coding tools and JavaScript libraries](http://www.smashingmagazine.com/2011/10/28/useful-coding-workflow-tools-for-web-designers-developers/)

is a huge list by Smashing Magazine with explanations for each tool and

library for working with JavaScript. -->

<ul>

<li>Smashing Magazineの<a href="http://www.smashingmagazine.com/2011/10/28/useful-coding-workflow-tools-for-web-designers-developers/">Coding tools and JavaScript libraries</a>は、JavaScriptのツールとライブラリに関する巨大なリソースです。</li>

</ul>

<!-- * [Superhero.js](http://superherojs.com/) is an incredibly well designed list

of resources for how to test, organize, understand and generally work with

JavaScript. -->

<ul>

<li><a href="http://superherojs.com/">Superhero.js</a>は、テスト、管理、JavaScriptの基礎に関するリソースをまとめたリストです。</li>

</ul>

<!-- * [Unheap](http://www.unheap.com/) is an amazing collection of reusable JQuery

plugins for everything from navigation to displaying media. -->

<ul>

<li><a href="http://www.unheap.com/">Unheap</a>はナビゲーションからメディアの表示まで、様々なjQueryプラグインが紹介されています。</li>

</ul>

<!-- * [The State of JavaScript in 2015](http://www.breck-mckye.com/blog/2014/12/the-state-of-javascript-in-2015/)

is an opinion piece about favoring small, single-purpose JavaScript libraries

over larger frameworks due to churn in the ecosystem. -->

<ul>

<li><a href="http://www.breck-mckye.com/blog/2014/12/the-state-of-javascript-in-2015/">The State of JavaScript in 2015</a>では、JavaScriptの開発サイクルに大きく影響する大規模なフレームワークを使うよりも、単一の目的を達成するための小さなライブラリを使うべきとする意見が述べられています。</li>

</ul>

<h2>JavaScriptを学ぶためのチェックリスト</h2>

<!-- Create a simple HTML file with basic elements in it. Use the

<code>python -m SimpleHTTPServer</code> command to serve it up. Create a

element at the end of the <code><body></code> section in the HTML page. Start playing

with JavaScript within that element to learn the basic syntax. -->

基本的な要素を含んだ単純なHTMLファイルを作りましょう。<code>python -m SimpleHTTPServer</code>コマンドを使って、サーバを起動しHTMLを配信します。HTMLの<code><body></code>セクションの最後に<code><script type="text/javascript"></script></code>を記述して、JavaScriptを試してみましょう。</p>

<!-- Download <a href="http://jquery.com/">JQuery</a> and add it to the page above your

JavaScript element. Start working with JQuery and learning how it makes basic

JavaScript easier. -->

<a href="http://jquery.com/">jQuery</a>をダウンロードし、使ってみましょう。jQueryを使い始めたら、JavaScriptの基本を簡単に学ぶことができます。</p>

<!-- Work with JavaScript on the page. Incorporate examples from open source

projects listed below as well as JQuery plugins. Check out the Unheap link

below to find a large collection of categorized JQuery plugins. -->

ページ上でJavaScriptを動かしてみましょう。オープンソースのサンプルやjQueryプラグインを試したり、<a href="http://www.unheap.com/">Unheap</a>で色々なjQueryプラグインを探してみましょう。</p>

<!-- Check out the JavaScript resources below to learn more about advanced concepts

and open source libraries. -->

JavaScriptのリソースを読み、応用的なコンセプト、オープンソースのライブラリを学びましょう。</p>

<!-- Integrate JavaScript into your web application and check the

<a href="/static-content.html">static content</a> section for how to host the JavaScript

files. -->

あなたのWebアプリケーションにJavaScriptを導入しましょう。JavaScriptのファイルを扱う方法は<a href="./static-content.html">static content</a>の章を参照してください。</p>

<h3>Webアプリケーションのデザイン、またはデプロイを学びますか？</h3>

WebアプリケーションのUIを作るには？

</p>

</div>

</a>

JavaScriptの様な静的なファイルを配信するには？

</p>

</div>

どのようにコードのバージョン管理をすれば良いですか？

</p>

</div>

APIとは？

</p>

</div>

</div><style type="text/css">

#mc_embed_signup{background:#fff; clear:left; font:12px "Helvetica Neue",Arial,sans-serif; }

/* Add your own MailChimp form style overrides in your site stylesheet or in this style block.

We recommend moving this block and the preceding CSS link to the HEAD of your HTML file. */

</style>

<hr/>

<h4>Interested in a complete Full Stack Python book with detailed tutorials and example code? Sign up here and you'll get an alert email if a book is created. No other emails will be sent other than sign up confirmation.</h4>

<label for="mce-EMAIL">Email Address</label>

</div>

</div>

</div>

</div>

</form>

</div>

var fnames = new Array();var ftypes = new Array();fnames[0]='EMAIL';ftypes[0]='email';fnames[1]='FNAME';ftypes[1]='text';fnames[2]='LNAME';ftypes[2]='text';

try {

var jqueryLoaded=jQuery;

jqueryLoaded=true;

} catch(err) {

var jqueryLoaded=false;

}

var head= document.getElementsByTagName('head')[0];

if (!jqueryLoaded) {

var script = document.createElement('script');

script.type = 'text/javascript';

script.src = '//ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js';

head.appendChild(script);

if (script.readyState && script.onload!==null){

script.onreadystatechange= function () {

if (this.readyState == 'complete') mce_preload_check();

}

var err_style = '';

try{

err_style = mc_custom_error_style;

} catch(e){

err_style = '#mc_embed_signup input.mce_inline_error{border-color:#6B0505;} #mc_embed_signup div.mce_inline_error{margin: 0 0 1em 0; padding: 5px 10px; background-color:#6B0505; font-weight: bold; z-index: 1; color:#fff;}';

}

var head= document.getElementsByTagName('head')[0];

var style= document.createElement('style');

style.type= 'text/css';

if (style.styleSheet) {

style.styleSheet.cssText = err_style;

} else {

style.appendChild(document.createTextNode(err_style));

}

head.appendChild(style);

setTimeout('mce_preload_check();', 250);

var mce_preload_checks = 0;

function mce_preload_check(){

if (mce_preload_checks>40) return;

mce_preload_checks++;

try {

var jqueryLoaded=jQuery;

} catch(err) {

setTimeout('mce_preload_check();', 250);

return;

}

var script = document.createElement('script');

script.type = 'text/javascript';

script.src = 'http://downloads.mailchimp.com/js/jquery.form-n-validate.js';

head.appendChild(script);

try {

var validatorLoaded=jQuery("#fake-form").validate({});

} catch(err) {

setTimeout('mce_preload_check();', 250);

return;

}

mce_init_form();

}

function mce_init_form(){

jQuery(document).ready( function($) {

var options = { errorClass: 'mce_inline_error', errorElement: 'div', onkeyup: function(){}, onfocusout:function(){}, onblur:function(){} };

var mce_validator = $("#mc-embedded-subscribe-form").validate(options);

$("#mc-embedded-subscribe-form").unbind('submit');//remove the validator so we can get into beforeSubmit on the ajaxform, which then calls the validator

options = { url: 'http://mattmakai.us2.list-manage.com/subscribe/post-json?u=b7e774f0c4f05dcebbfee183d&id=b22335388d&c=?', type: 'GET', dataType: 'json', contentType: "application/json; charset=utf-8",

beforeSubmit: function(){

$('#mce_tmp_error_msg').remove();

$('.datefield','#mc_embed_signup').each(

function(){

var txt = 'filled';

var fields = new Array();

var i = 0;

$(':text', this).each(

function(){

fields[i] = this;

i++;

});

$(':hidden', this).each(

function(){

var bday = false;

if (fields.length == 2){

bday = true;

fields[2] = {'value':1970};//trick birthdays into having years

}

if ( fields[0].value=='MM' && fields[1].value=='DD' && (fields[2].value=='YYYY' || (bday && fields[2].value==1970) ) ){

this.value = '';

} else if ( fields[0].value=='' && fields[1].value=='' && (fields[2].value=='' || (bday && fields[2].value==1970) ) ){

this.value = '';

} else {

if (/\[day\]/.test(fields[0].name)){

this.value = fields[1].value+'/'+fields[0].value+'/'+fields[2].value;

} else {

this.value = fields[0].value+'/'+fields[1].value+'/'+fields[2].value;

}

});

$('.phonefield-us','#mc_embed_signup').each(

function(){

var fields = new Array();

var i = 0;

$(':text', this).each(

function(){

fields[i] = this;

i++;

});

$(':hidden', this).each(

function(){

if ( fields[0].value.length != 3 || fields[1].value.length!=3 || fields[2].value.length!=4 ){

this.value = '';

} else {

this.value = 'filled';

}

});

return mce_validator.form();

success: mce_success_cb

};

$('#mc-embedded-subscribe-form').ajaxForm(options);

});

}

function mce_success_cb(resp){

$('#mce-success-response').hide();

$('#mce-error-response').hide();

if (resp.result=="success"){

$('#mce-'+resp.result+'-response').show();

$('#mce-'+resp.result+'-response').html(resp.msg);

$('#mc-embedded-subscribe-form').each(function(){

this.reset();

});

} else {

var index = -1;

var msg;

try {

var parts = resp.msg.split(' - ',2);

if (parts[1]==undefined){

msg = resp.msg;

} else {

i = parseInt(parts[0]);

if (i.toString() == parts[0]){

index = parts[0];

msg = parts[1];

} else {

index = -1;

msg = resp.msg;

}

} catch(e){

index = -1;

msg = resp.msg;

}

try{

if (index== -1){

$('#mce-'+resp.result+'-response').show();

$('#mce-'+resp.result+'-response').html(msg);

} else {

err_id = 'mce_tmp_error_msg';

html = '<div id="'+err_id+'" style="'+err_style+'"> '+msg+'</div>';

var input_id = '#mc_embed_signup';

var f = $(input_id);

if (ftypes[index]=='address'){

input_id = '#mce-'+fnames[index]+'-addr1';

f = $(input_id).parent().parent().get(0);

} else if (ftypes[index]=='date'){

input_id = '#mce-'+fnames[index]+'-month';

f = $(input_id).parent().parent().get(0);

} else {

input_id = '#mce-'+fnames[index];

f = $().parent(input_id).get(0);

}

if (f){

$(f).append(html);

$(input_id).focus();

} else {

$('#mce-'+resp.result+'-response').show();

$('#mce-'+resp.result+'-response').html(msg);

}

} catch(e){

$('#mce-'+resp.result+'-response').show();

$('#mce-'+resp.result+'-response').html(msg);

}

</script>

</div>

<div class="panel-heading"><h3 class="panel-head">JavaScript</h3></div>

<a href="http://daigo3.github.io/fullstackpython.github.com/">Full Stack Python</a>はPythonでWebアプリケーションを開発するための情報を提供するオープンなガイドです。

<hr/>

There's a work-in-progress

現在、作成中の<a href="./full-stack-python-map.pdf">subjects map (.pdf)</a>は、目次に加え各章を視覚化したものです。

<hr/>

より詳細なチュートリアルが必要ですか?

<a href="./email.html">サインアップしてアップデートをメールで受け取ることができます。</a>

<hr/>

このサイトは<a href="http://twitter.com/mattmakai">Matt Makai</a>により、

コミュニティからプルリクエストによる協力を得て作成されています。GitHubで

<a href="https://github.com/makaimc">Mattをフォロー</a>すれば、日々の更新を見ることができます。

</div>

<h3 class="panel-head">Table of Contents</h3>

</div>

<a href="./introduction.html" class="list-group-item smaller-item ">Introduction</a>

<a href="./web-frameworks.html" class="list-group-item smaller-item ">Web Frameworks</a>

<a href="./django.html" class="list-group-item smaller-item ">Django</a>

<a href="./flask.html" class="list-group-item smaller-item ">Flask</a>

<a href="./bottle.html" class="list-group-item smaller-item ">Bottle</a>

<a href="./other-web-frameworks.html" class="list-group-item smaller-item ">Other Web Frameworks</a>

<a href="./deployment.html" class="list-group-item smaller-item ">Deployment</a>

<a href="./servers.html" class="list-group-item smaller-item ">Servers</a>

<a href="./platform-as-a-service.html" class="list-group-item smaller-item ">Platform-as-a-service</a>

<a href="./operating-systems.html" class="list-group-item smaller-item ">Operating Systems</a>

<a href="./web-servers.html" class="list-group-item smaller-item ">Web Servers</a>

<a href="./wsgi-servers.html" class="list-group-item smaller-item ">WSGI Servers</a>

<a href="./source-control.html" class="list-group-item smaller-item ">Source Control</a>

<a href="./application-dependencies.html" class="list-group-item smaller-item ">Application Dependencies</a>

<a href="./databases.html" class="list-group-item smaller-item ">Databases</a>

<a href="./no-sql-datastore.html" class="list-group-item smaller-item ">NoSQL Data Stores</a>

<a href="./web-design.html" class="list-group-item smaller-item ">Web Design</a>

<a href="./cascading-style-sheets.html" class="list-group-item smaller-item ">Cascading Style Sheets</a>

<a href="./javascript.html" class="list-group-item smaller-item active">JavaScript</a>

<a href="./continuous-integration.html" class="list-group-item smaller-item ">Continuous Integration</a>

<a href="./code-metrics.html" class="list-group-item smaller-item ">Code Metrics</a>

<a href="./configuration-management.html" class="list-group-item smaller-item ">Configuration Management</a>

<a href="./static-content.html" class="list-group-item smaller-item ">Static Content</a>

<a href="./caching.html" class="list-group-item smaller-item ">Caching</a>

<a href="./task-queues.html" class="list-group-item smaller-item ">Task Queues</a>

<a href="./application-programming-interfaces.html" class="list-group-item smaller-item ">Application Programming Interfaces</a>

<a href="./api-integration.html" class="list-group-item smaller-item ">API Integration</a>

<a href="./api-creation.html" class="list-group-item smaller-item ">API Creation</a>

<a href="./logging.html" class="list-group-item smaller-item ">Logging</a>

<a href="./monitoring.html" class="list-group-item smaller-item ">Monitoring</a>

<a href="./web-analytics.html" class="list-group-item smaller-item ">Web Analytics</a>

<a href="./web-application-security.html" class="list-group-item smaller-item ">Web Application Security</a>

<a href="./best-python-resources.html" class="list-group-item smaller-item ">Best Python Resources</a>

<a href="./development-environments.html" class="list-group-item smaller-item ">Development Environments</a>

<a href="./about-author.html" class="list-group-item smaller-item ">About the Author</a>

<a href="./change-log.html" class="list-group-item smaller-item ">Change Log</a>

<a href="./future-directions.html" class="list-group-item smaller-item ">Future Directions</a>

</div>

</div></div>

<hr/>

<a href="http://www.mattmakai.com/" class="underline">Matt Makai</a>

2014

</div>

</div>

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