Javascript おみくじ

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>おみくじ</title>
    <link rel="stylesheet" href="styles.css">
    <style>
      body {
        background : #e0e0e0;
        text-align: center;
        font-size: 16px;
        color: #fff;
        font-family: Arial, sans-serif;
      }
      #result {
        margin: 30px auto;
        width: 180px;
        height: 180px;
        border-radius: 50%;
        line-height: 180px;
        font-size: 48px;
        font-weight: bold;
        background: #f44336;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      }
      #btn {
        margin: 0 auto;
        width: 200px;
        padding: 5px;
        border-radius: 5px;
        background: #00aaff;
        box-shadow: 0 4px 0 #0088cc;
        cursor: pointer;
      }
      #btn:hover{
        opacity: 0.8;
      }
      #btn.pushed{
        margin-top: 32px;
        box-shadow: 0 2px 0 #0088cc;
      }
    </style>
  </head>
  <body>
      <div id="result">?</div>
      <div id="btn">あなたの運勢は?</div>
      <script>
        (function(){
          "use strict";
          document.getElementById('btn').addEventListener('click', function(){
            var results = ['大吉','中吉','小吉','凶'];
            var result = Math.floor(Math.random() * results.length);
            document.getElementById('result').innerHTML = results[result];
          });
          document.getElementById('btn').addEventListener('mousedown', function(){
            this.className = 'pushed';
          });
          document.getElementById('btn').addEventListener('mouseup', function(){
            this.className = '';
          });
        })();
      </script>
  </body>
</html>

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JavaScript 基礎

JavaScriptのドキュメントはMDNのサイトでよく参照することができます。
MDN JavaScript

即時関数:直ぐに実行されます。

<script>
       (function(name){
        console.log("hello" + name);
      })("tom");
      </script>
      <script>
      (function()){
        var x = 10;
        y = 20;
        console.log(x + y);
      }();
      </script>

setInterval

var i = 0;
      function show(){
        console.log(i++)
      }
      setInterval(function(){
        show();
      }, 1000);

setTimeout

var i = 0;
      function show(){
        console.log(i++);
        setTimeout(function(){
          show();
        }, 1000);
      }show();

オブジェクト

var user = {
        email: "yamada@gmail.com",
        score: 80
      };
      console.log(user.email)

オブジェクト2

var user = {
        email: "yamada@gmail.com",
        score: 80,
        greet: function(name){
          console.log("hello, " + name);
        }
      };
      user.greet("sato");

Arrayオブジェクト

var a = new Array(100, 300, 200);
      console.log(a.length);

Math

      console.log(Math.PI);
      console.log(Math.ceil(5.3));
      console.log(Math.floor(5.3));
      console.log(Math.round(5.3));

三項演算子
a = (条件) ? b : c;

よく使うもの

console.log(window.outerHeight);
window.location.href = "http://google.com"
document(DOM)
var e = document.getElementById('msg');
      e.textContent = 'Hello';
      e.style.color = 'red';

CSS メディアクエリによるレスポンシブル対応

h1, h2, p, img, ul{
	margin:0;
}

body {
	font-family: Arial, Verdana, sans-serif;
	margin:0 auto;
	width: 95%;

}

#header {
	background: red;
}

#footer {
	background: green;
}

#container {
}

#main {
	background: orange;
}

#sub {
	background: yellow;
}

#footerNavLink{
	float: right;
}

#headerNav ul {
	list-style: none;
	overflow: hidden;
}

#headerNav li {
	float: left;
	width: 33%;
	text-align: center;
}

img {
	max-width: 100%;
}

.movie {
	position: relative;
	height: 0;
	padding-top: 56.25%;
}

iframe {
	height: 100%;
	position: absolute;
	left:0;
	top:0;
	width:100%;
}

/* スマホ */
#headerNav{
	display: none;
}

/* タブレット */
@media screen and (min-width: 480px){
	#footerNavLink {
		display: none;
	}
	#headerNav{
		display: block;
	}
	#footerNav {
		display: none;
	}

}

/* PC */
@media screen and (min-width: 768px){
	#container {
		overflow: hidden;
	} 
	#main {
		float: left;
		width: 78.0612245%;
	}
	#sub {
		float: right;
		width: 20.4081633%;
	}
}

Bootstrap tooltip, popover

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <title>Bootstrap Practice</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

    <div class="container" style="padding:20px 0">

      <p><a href="#" data-toggle="tooltip" title="説明">this</a> and <a href="#" data-toggle="popover" title="説明" data-content="さらに説明">that</a>.</p>

    </div>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
    <script>
      $(function(){
        $("[data-toggle=tooltip]").tooltip({
          placement: 'bottom'
        });
        $("[data-toggle=popover]").popover();
      });
    </script>
  </body>
</html>

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Bootstrap クリッカブルタブメニュー

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <title>Bootstrap Practice</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

    <div class="container" style="padding:20px 0">

      <ul class="nav nav-tabs" style="margin-bottom:15px">
      <li class="active"><a href="#home" data-toggle="tab">Home</a></li>
      <li><a href="#about" data-toggle="tab">About</a></li>
      </ul>

      <div class="tab-content">
        <div class="tab-pane active" id="home">ほーむだよ</div>
        <div class="tab-pane" id="about">aboutだよ</div>
      </div>

    </div>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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Bootstrap modalウィンドウ

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <title>Bootstrap Practice</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

    <div class="container" style="padding:20px 0">

    <a data-toggle="modal" href="#myModal" class="btn btn-primary">show me</a>

    <div class="modal fade" id="myModal">
    <div class="modal-dialog">
      <div class="modal-content">
        <div class="modal-header">
          <button class="close" data-dismiss="modal">&times;</button>
          <h4 class="modal-title">my modal</h4>
        </div>
        <div class="modal-body">
        こんにちは!
        </div>
        <div class="modal-footer">
          <button class="btn btn-primary">OK!</button>
        </div>
      </div>
    </div>

    </div>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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Bootstrap progress-bar

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <title>Bootstrap Practice</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

    <div class="container" style="padding:20px 0">

    <div class="progress">
        <div class="progress-bar progress-bar-primary" style="width:60%"></div>
    </div>

     <div class="progress progress-striped active">
        <div class="progress-bar progress-bar-info" style="width:60%"></div>
    </div>

    <div class="progress progress-striped active">
        <div class="progress-bar progress-bar-info" style="width:30%"></div>
        <div class="progress-bar progress-bar-primary" style="width:20%"></div>
        <div class="progress-bar progress-bar-warning" style="width:10%"></div>
    </div>

    </div>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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Bootstrap label, badge, alert, pannel

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <title>Bootstrap Practice</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

    <div class="container" style="padding:20px 0">

    <p>product a <span class="label label-primary">NEW!</span></p>

    <p>Inbox <span class="badge">5</span></p>
    <p>Inbox <span class="badge"></span></p>

    <div class="alert alert-info">
      <button class="close" data-dismiss="alert">&times;</button>
    おしらせ
    </div>

    <div class="panel panel-primary">
      <div class="panel-heading">
      お知らせ
      </div>
      <div class="panel-body">
      こんにちは!
      </div>
    </div>

    </div>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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Bootstrap navbar レスポンシブル対応

トグルボタンを追加します。

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <title>Bootstrap Practice</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

  <nav class="navbar navbar-default navbar-fixed-top">
    <div class="navbar-header">
      <button class="navbar-toggle" data-toggle="collapse" data-target=".target">
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="">Hello world</a>
    </div>

    <div class="collapse navbar-collapse target">
    <ul class="nav navbar-nav">
      <li class="active"><a href="">link1</a></li>
      <li><a href="">link2</a></li>
      </ul>
      <ul class="nav navbar-nav navbar-right">
        <li><a href="">link3</a></li>
      </ul>
    </div>
  </nav>

    <div class="container" style="padding:20px 0">
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    </div>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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Bootstrap navbar

ヘッダー固定はnavbar-fixed-topのclassを追加します。

<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <title>Bootstrap Practice</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>

  <nav class="navbar navbar-default navbar-fixed-top">
    <div class="navbar-header">
      <a class="navbar-brand" href="">Hello world</a>
    </div>
    <ul class="nav navbar-nav">
      <li class="active"><a href="">link1</a></li>
      <li><a href="">link2</a></li>
      </ul>
      <ul class="nav navbar-nav navbar-right">
        <li><a href="">link3</a></li>
      </ul>
  </nav>

    <div class="container" style="padding:20px 0">
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    <p>こんにちは</p>
    </div>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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