7. jQuery 이벤트 처리(2)
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7. jQuery 이벤트 처리(2)
실습 : jquery01.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
</head>
<body>
<input type="text" name="input1" value="아이디"/>
</body>
</html>
실습 : jquery01.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
window.onload = function(){
var aa = document.getElementsByTagName('input')[0].getAttribute('value');
console.log(aa);
var bb = document.getElementsByTagName('input')[0].getAttribute('type');
console.log(bb);
}
</script>
</head>
<body>
<input type="text" name="input1" value="아이디"/>
</body>
</html>
window.onload = function(){ }은 $(document).ready(function(){ });와 같은 기능이지만, $(document).ready(function(){ });이 먼저 실행된다.
실습 : jquery01.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
$(document).ready(function(){
var a = $('input').attr('value');
console.log(a);
$('input').attr('value', 'Hello Mobile webApp!!');
});
</script>
</head>
<body>
<input type="text" name="input1" value="아이디"/>
</body>
</html>
실습 : jquery02.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script type="text/javascript">
window.onload = function(){
document.getElementById("btn1").onclick=function(){
document.getElementById('div1').innerHTML=
document.getElementById('input1').value;
}
}
</script>
</head>
<body>
<input type="text" id="input1"/><br/>
<input type="button" id="btn1" value="버튼1"/>
<input type="button" id="btn2" value="버튼2"/><br/>
<div id="div1"></div>
<ul>
<li>메뉴1</li>
<li>메뉴2</li>
<li>메뉴3</li>
</ul>
</body>
</html>
텍스트상자에 테스트를 입력하고 버튼1을 누른다.
$('#btn2').click(function(){는 $('#btn2').bind("click", function(){ 로 바꾸어 쓸수 있다.
실습 : jquery02.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script type="text/javascript">
window.onload = function(){
document.getElementById("btn1").onclick=function(){
document.getElementById('div1').innerHTML=
document.getElementById('input1').value;
}
}
$(document).ready(function(){
$('#btn2').bind("click", function(){
$('#div1').text($('#input1').val());
});
});
</script>
</head>
<body>
<input type="text" id="input1"/><br/>
<input type="button" id="btn1" value="버튼1"/>
<input type="button" id="btn2" value="버튼2"/><br/>
<div id="div1"></div>
<ul>
<li>메뉴1</li>
<li>메뉴2</li>
<li>메뉴3</li>
</ul>
</body>
</html>
텍스트상자에 테스트2를 입력하고 버튼2을 누른다.
실습 : jquery02.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script type="text/javascript">
window.onload = function(){
document.getElementById("btn1").onclick=function(){
document.getElementById('div1').innerHTML=
document.getElementById('input1').value;
}
}
$(document).ready(function(){
$('#btn2').bind("click", function(){
$('#div1').text($('#input1').val());
});
$(document).delegate('ul li', 'click', function(){
$('#div1').text($(this).text());
});
});
</script>
</head>
<body>
<input type="text" id="input1"/><br/>
<input type="button" id="btn1" value="버튼1"/>
<input type="button" id="btn2" value="버튼2"/><br/>
<div id="div1"></div>
<ul>
<li>메뉴1</li>
<li>메뉴2</li>
<li>메뉴3</li>
</ul>
</body>
</html>
메뉴1을 누르면 메뉴1이 div에 출력된다.
onchange 이벤트 처리하기
실습 : jquery03.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script type="text/javascript">
//자바스크립트에서 onchange
window.onload = function(){
document.getElementById("sel1").onchange=function(){
document.getElementById('div1').innerHTML=
document.getElementById('sel1').value;
}
}
$(document).ready(function(){
//$('#sel2').change(function(){
//$('#sel2').bind("change", function(){
$('#sel2').on("change", function(){
$('#div1').text($('#sel2').val());
});
});
</script>
<style>
</style>
</head>
<body>
<select id="sel1">
<option value="1">선택1</option>
<option value="2">선택2</option>
</select>
<select id="sel2">
<option value="1">선택1</option>
<option value="2">선택2</option>
</select><br>
<div id="div1"></div>
</body>
</html>
trigger이벤트 : 이벤트를 강제로 발생시키는 명령
실습 : jquery04.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>제이쿼리 연습</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('#btn1').click(function(){
$('#test').html("<p>버튼1 click</p>");
$('#btn2').trigger('click');
});
$('#btn2').click(function(){
$('#test').html($('#test').html()+"<p>버튼2 click</p>");
});
});
</script>
<style>
</style>
</head>
<body>
<input type="button" id="btn1" value="버튼1">
<input type="button" id="btn2" value="버튼2">
<div id="test"></div>
</body>
</html>
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