JavaScript/jQuery

【jQuery/Selector #35】:input Selector

1Q74 2023. 3. 5. 12:20

1. Description

jQuery(":input") : <input>, <textarea>, <select>, <button>등의 Element를 찾는다.


2. Example

#1버튼을 클릭하면 <table>하위의 :input Element를 찾아서, 해당 Element가 들어있는 <td>의 배경색을 변경한다. 버튼을 클릭할 때마다 무지개(?) 색상이 토글된다.


[1q74.tistory.com] javascript/jquery/selector/input

Input Collections!!

[type="radio"]
[type="checkbox"]
[type="hidden"] is here...


[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/input</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">
			<h4>Input Collections!!</h4>
			<table name="bigtech" border="1">
				<tr>
					<td>
						<input type="text" name="text" value="[type='text']"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="button" name="button" value="[type='button']"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="image" name="image" src="https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png"/>
					</td>
				</tr>
					<td>
						<input type="submit" name="submit" value="[type='submit']"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="file" name="file" value="[type='file']"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="password" name="password" value="[type='password']"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="reset" name="reset" value="[type='reset']"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="radio" name="radio" value="[type='radio']"/>[type="radio"]
					</td>
				</tr>
				<tr>
					<td>
						<input type="checkbox" name="checkbox" value="[type='checkbox']"/>[type="checkbox"]
					</td>
				</tr>
				<tr>
					<td>
						<select name="select">
							<option>option-1</option>
							<option>option-2</option>
							<option>option-3</option>
						</select>
					</td>
				</tr>
				<tr>
					<td>
						<textarea>textarea</textarea>
					</td>
				</tr>
				<tr>
					<td>
						[type="hidden"] is here...
						<input type="hidden" name="hidden" value="hidden"/>
					</td>
				</tr>
			</table>
		</div>

		<div name="_1q74-example-bottom">
			<br/>
			<button name="btn-find">#1. $("[name='_1q74-example-1'] :input")</button>
		</div>
	</div>

	<hr/>
	<h5>[HTML Code]</h5>
	<div name="_1q74-source">
	</div>
	<h5>[//HTML Code]</h5>

<script>
var elements = $("[name='_1q74-example-1'] :input");
var btnFind = $("[name='btn-find']");
var rainbowColors = [
	"red",
	"orange",
	"yellow",
	"green",
	"blue",
	"navy",
	"purple"
];
var clickCount = 0;

btnFind.click(function() {
	elements.each(function(i, el) {
		const element = $(el);
		let colorIndex = i + clickCount;

		if(colorIndex >= rainbowColors.length) {
			colorIndex %= rainbowColors.length;
		}

		if(!element.is("[style]")) {
			element.parent().css("background", rainbowColors[colorIndex]);
		}
	});

	++clickCount;
});

// ------------------------------------------------------
// 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", "&nbsp;&nbsp;"));
</script>
<style>
[name="_1q74-example-root"] {
	min-height: 170px;
}

[name="_1q74-example-1"] {
	min-height: 140px;
}

[name="_1q74-example-root"] [type="image"]{
	width: 100px;
}

[name="_1q74-example-1"] td {
	min-width: 100px;
	min-height: 30px;
}

[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

[javascript][jquery][selector]input.html
0.00MB


5. See also

useversal-selector, jquery-extensions


6. Reference

https://api.jquery.com/input-selector/