1. Description
checked되어 있는 Element를 찾는다.
2. Example
#1버튼을 클릭하면 선택된 User Hobby에 따라 다르게 메시지가 표시된다.
User Name :
User Id :
User Hobby:
Sport Movie Game Book
User Id :
User Hobby:
Sport Movie Game Book
#1. $("[name='_1q74-example-1'] :checked")
[HTML Code]
[//HTML Code]
3. Code
더보기
<!-- ---------------------------------------------------------
--
-- Author: 1q74.tistory.com
--
--------------------------------------------------------- -->
<!doctype html>
<html lang="ko">
<head>
<meta charset="utf-8">
<title>[1q74.tistory.com] javascript/jquery/selector/:checked</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.3/jquery.min.js"></script>
</head>
<body>
<div name="_1q74-example-root">
<div name="_1q74-example-1">
User Name : <input type="text" name="name" value="This is user name"/>
<br/>
User Id : <input type="text" name="id" value="This is user id"/>
<br/>
User Hobby: <br/>
<input type="checkbox" name="hobby" value="Sport"/> Sport
<input type="checkbox" name="hobby" value="Movie"/> Movie
<input type="checkbox" name="hobby" value="Game"/> Game
<input type="checkbox" name="hobby" value="Book"/> Book
<br/>
<br/>
<h1 id="message"></h1>
</div>
<div name="_1q74-example-bottom">
<br/>
<button name="btn-execute"/>#1. $("[name='_1q74-example-1'] :checked")</button>
</div>
</div>
<hr/>
<h5>[HTML Code]</h5>
<div name="_1q74-source">
</div>
<h5>[//HTML Code]</h5>
<script>
const btnExecute = $("[name='btn-execute']");
btnExecute.click(function() {
const checkedHobby = $("[name='_1q74-example-1'] :checked");
const myHobbies = checkedHobby.map(function(i, el) {
return $(el).val();
}).get();
const message = $("#message");
const hobbiesStr = myHobbies.join(", ");
function getMessage() {
switch(myHobbies.length) {
case 0:
return "My hobby is nothing. I like just thinking.";
case 1:
return "My hobby is " + hobbiesStr + ".";
default:
return "My hobbies are " + hobbiesStr + ".";
}
}
message.text(getMessage());
});
// ------------------------------------------------------
// 소스출력
// ------------------------------------------------------
var textSource = $("[name='_1q74-source']");
var exampleHtml = $("[name='_1q74-example-root']").html();
var specialCharLines = textSource.text(exampleHtml).html().split("\n");
textSource.html(specialCharLines.join("<br/>").replaceAll("\t", " "));
</script>
<style>
[name|="_1q74-example"] button
,[name="_1q74-source"] button {
background: lightgray;
border: 5px outset;
min-height: 30px;
}
[name|="_1q74-example"] button:active
,[name="_1q74-source"] button:active {
border: 2px inset;
min-height: 30px;
}
</style>
</body>
</html>
4. File
5. Reference
https://api.jquery.com/checked-selector/
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【jQuery/Selector #11】:checkbox (0) | 2023.02.21 |
【jQuery/Selector #10】:button (0) | 2023.02.21 |
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