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jQueryのthis

イベントハンドラ(body要素に記述)

<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
function getAttr(e){
	document.getElementsByTagName("p")[0].innerText = e.srcElement.getAttribute("src");
}
</script>
<style>
img{
	cursor:pointer;
}
</style>
</head>
<body>
	<img src="img/image1.png" onclick="getAttr(window.event)">
	<img src="img/image2.png" onclick="getAttr(window.event);">
	<img src="img/image3.png" onclick="getAttr(window.event);">
	<img src="img/image4.png" onclick="getAttr(window.event);">
	<img src="img/image5.png" onclick="getAttr(window.event);">
	<p>画像のパス</p>
</body>
</html>

イベントハンドラ(scriptタグ内に記述)

<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
window.onload = function(){
	for(var i = 0; document.getElementsByTagName("img").length; i++){
		document.getElementsByTagName("img")[i].onclick = function(e){
			document.getElementsByTagName("p")[0].innerText = e.srcElement.getAttribute("src");
		}
	}
}
</script>
<style>
img{
	cursor:pointer;
}
</style>
</head>
<body>
	<img src="img/image1.png">
	<img src="img/image2.png">
	<img src="img/image3.png">
	<img src="img/image4.png">
	<img src="img/image5.png">
	<p>画像のパス</p>
</body>
</html>

イベントリスナ

<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
window.addEventListener("load",function(){
	for(var i = 0; document.getElementsByTagName("img").length; i++){
		document.getElementsByTagName("img")[i].addEventListener("click",function(e){
			document.getElementsByTagName("p")[0].innerText = e.srcElement.getAttribute("src");
		});
	}
});
</script>
<style>
img{
	cursor:pointer;
}
</style>
</head>
<body>
	<img src="img/image1.png">
	<img src="img/image2.png">
	<img src="img/image3.png">
	<img src="img/image4.png">
	<img src="img/image5.png">
	<p>画像のパス</p>
</body>
</html>

HTML5

<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
window.addEventListener("load",function(){
	for(var i = 0; i < document.querySelectorAll("img").length; i++){
		document.querySelectorAll("img")[i].addEventListener("click",function(e){
			document.querySelector("p").innerText = e.srcElement.getAttribute("src");
		});
	}
});
</script>
<style>
img{
	cursor:pointer;
}
</style>
</head>
<body>
	<img src="img/image1.png">
	<img src="img/image2.png">
	<img src="img/image3.png">
	<img src="img/image4.png">
	<img src="img/image5.png">
	<p>画像のパス</p>
</body>
</html>

jQueryのthis

<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
	$("img").click(function(){
		$("p").text($(this).attr("src"));
	});
});
</script>
<style>
img{
	cursor:pointer;
}
</style>
</head>
<body>
	<img src="img/image1.png">
	<img src="img/image2.png">
	<img src="img/image3.png">
	<img src="img/image4.png">
	<img src="img/image5.png">
	<p>画像のパス</p>
</body>
</html>

inserted by FC2 system