blueskyarea/disable_button.js

## disable_button.js
// use jquery
$(".submit-button").click(function(){
  if ($(this).hasClass("disabled")) return false;
  $(this).addClass("disabled");
});

//$(this).attr("disabled", "disabled"); // Not move on GoogleChrome

## json.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>jsonで外部スクリプトファイルにデータ渡す</title>
<script type="text/javascript" src="json_test.js"></script>
<script type="text/javascript">
  var items = {
    num: 10,
    character: "a",
    characters: "abc",
    bool: true
  };
</script>
</head>
<body>
<h2>jsonで外部スクリプトファイルにデータ渡す</h2>
<input type="button" value="テスト" onclick="test()">
<div id="output"></div>
</body>
</html>

## json_test.js
// javascript
function test(){
  // データの取得
  var num = items.num;
  var character = items.character;
  var characters = items.characters;
  var bool = items.bool;

  // データの出力
  var html = "num=" + num + "<br>" +
    "character=" + character + "<br>" +
    "characters=" + characters + "<br>" +
    "bool=" + bool;
    document.getElementById("output").innerHTML = html;
}
	// use jquery
	$(".submit-button").click(function(){
	if ($(this).hasClass("disabled")) return false;
	$(this).addClass("disabled");
	});

	//$(this).attr("disabled", "disabled"); // Not move on GoogleChrome
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<title>jsonで外部スクリプトファイルにデータ渡す</title>
	<script type="text/javascript" src="json_test.js"></script>
	<script type="text/javascript">
	var items = {
	num: 10,
	character: "a",
	characters: "abc",
	bool: true
	};
	</script>
	</head>
	<body>
	<h2>jsonで外部スクリプトファイルにデータ渡す</h2>
	<input type="button" value="テスト" onclick="test()">
	<div id="output"></div>
	</body>
	</html>
	// javascript
	function test(){
	// データの取得
	var num = items.num;
	var character = items.character;
	var characters = items.characters;
	var bool = items.bool;

	// データの出力
	var html = "num=" + num + "<br>" +
	"character=" + character + "<br>" +
	"characters=" + characters + "<br>" +
	"bool=" + bool;
	document.getElementById("output").innerHTML = html;
	}