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[JavaScript] 07. form ๊ฐ์ฒด
๐Ÿ’ปProgramming/๐Ÿƒ‍โ™€๏ธJavaScript

[JavaScript] 07. form ๊ฐ์ฒด

2022. 9. 23. 10:23

forms ์š”์†Œ

document.forms ๊ฐ์ฒด

HTMLCollction ๊ฐ์ฒด๋กœ <form> ์š”์†Œ๋Š” ํผ์˜ ์ด๋ฆ„์ด๋‚˜ ์ธ๋ฑ์Šค๋ฅผ ์ด์šฉํ•˜์—ฌ ์ ‘๊ทผํ•œ๋‹ค.

๊ฐ์ฒด๋ฅผ ์ด์šฉํ•˜์—ฌ <form> ์š”์†Œ์— ๊ฐ์ฒด

<form>์ด๋ผ๊ณ  ํ•˜๋Š” ๊ฒƒ์€ ์œ ์‚ฌ ๋ฐฐ์—ด์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜๋ฉด ํŽธํ•˜๋‹ค.

 

form ์ฃผ์š” ์†์„ฑ ๋ฐ ๋ฉ”์†Œ๋“œ

์ฃผ์š” ์†์„ฑ  ์„ค๋ช…
elemennts FORM ์š”์†Œ์— ๋‹ด๊ธด ๋ชจ๋“  form ์ปจํŠธ๋กค(control) ๋ฐฐ์—ด์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค.
length FORM ์š”์†Œ์˜ ์ปจํŠธ๋กค ์ˆ˜๋ฅผ ๋ฐ˜ํ™˜ํ•œ๋‹ค.
name ํ˜„์žฌ FORM ์š”์†Œ ์ด๋ฆ„์„ ๋ฌธ์ž์—ด๋กœ ๋ฐ˜ํ™˜ํ•œ๋‹ค.
action FORM ์š”์†Œ์˜ action์„ ์„ค์ •ํ•˜๊ฑฐ๋‚˜ ๋ฐ˜ํ™˜ ๋ฐ›๋Š”๋‹ค.
enctype FORM ์š”์†Œ์˜ contentType์„ ์„ค์ •ํ•˜๊ฑฐ๋‚˜ ๋ฐ˜ํ™˜ ๋ฐ›๋Š”๋‹ค. encoding ์†์„ฑ๊ณผ ๋™์ผํ•˜๋‹ค.
method FORM ์š”์†Œ์˜ HTTP method๋ฅผ ์„ค์ •ํ•˜๊ฑฐ๋‚˜ ๋ฐ˜ํ™˜ ๋ฐ›๋Š”๋‹ค.

 

์ฃผ์š” ๋ฉ”์†Œ๋“œ ์„ค๋ช…
submit() ์„œ๋ฒ„์— ํผ์„ ์ „์†กํ•œ๋‹ค.
reset()

ํผ์„ ์ดˆ๊ธฐ์ƒํƒœ๋กœ ์žฌ์„ค์ •ํ•œ๋‹ค.

 

document.forms ๊ฐ์ฒด๋ฅผ ์ด์šฉํ•œ <form> ์š”์†Œ ์ ‘๊ทผ

document.forms[์ธ๋ฑ์Šค]
document.forms["ํผ์ด๋ฆ„"]

 

 

๊ฐ€์žฅ ๋งŽ์ด ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ• 

action์ด ์•„๋‹Œ name ์†์„ฑ์ž„์„ ์œ ์˜ 

id์™€ class๋Š” ๋””์ž์ธ์„ ์œ„ํ•ด ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด๊ณ , name์€ ์„œ๋ฒ„์—์„œ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•œ ๊ฒƒ์ด๋ฏ€๋กœ name์„ ์ค„ ๊ฒƒ!

 

 

action ๊ณผ submit

<form name="myForm" action="request.jsp" method="post">
	<p>์ด๋ฆ„ : <input type="text" name="name"></p>
	<p>๊ณผ๋ชฉ : <input type="text"></p>
	<p>์ ์ˆ˜ : <input type="text" name="score"></p>
	
    <!-- name ์†์„ฑ์ด ์—†์œผ๋ฉด ์„œ๋ฒ„์—์„œ ๋ฐ›์„ ์ˆ˜ ์—†๋‹ค(subject)-->
	<p>
		<button type="submit">์„œ๋ฒ„๋กœ ์ „์†ก</button>
		<button>์„œ๋ฒ„๋กœ ์ „์†ก</button>
		<button type="button" onclick = "send();">์„œ๋ฒ„๋กœ ์ „์†ก ์•ˆ ๋จ</button>
	</p>
</form>

1) action

form ์š”์†Œ๋ฆ ๋‚ด์šฉ์„ ์„œ๋ฒ„๋กœ ์ „์†กํ•  ๋•Œ ์ „์†กํ•œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ›์„ ์„œ๋ฒ„ ์ฃผ์†Œ๋ฅผ ์˜๋ฏธํ•œ๋‹ค.

 

2) <input> ํƒœ๊ทธ์— name ์„ ์‚ฌ์šฉํ•ด์•ผ ํ•œ๋‹ค. 

name์„ ์‚ฌ์šฉํ•˜์ง€ ์•Š์œผ๋ฉด ์„œ๋ฒ„์— ๋ฐ์ดํ„ฐ๋ฅผ ์ „์†กํ•  ์ˆ˜ ์—†๋‹ค.

id๋‚˜ class๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋„๋ก ์ฃผ์˜ํ•ด์•ผ ํ•œ๋‹ค. 

 

3) <button> ํƒœ๊ทธ์— submit ๋ฒ„ํŠผ์„ ์‚ฌ์šฉํ•˜๋ฉด ๋ฐ์ดํ„ฐ๊ฐ€ ์„œ๋ฒ„๋กœ ์ „์†ก๋œ๋‹ค. 

์ผ๋ฐ˜ ๋ฒ„ํŠผ์€ ์„œ๋ฒ„๋กœ ์ „์†ก๋˜์ง€ ์•Š๋Š”๋ฐ ์ผ๋ฐ˜ ๋ฒ„ํŠผ์„ ์„œ๋ฒ„๋กœ ์ „์†กํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ์— submit() ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ๋œ๋‹ค.

image ๋ฒ„ํŠผ๋„ submit ๋ฒ„ํŠผ์ด๋ฏ€๋กœ ์ฃผ์˜ํ•ด์•ผ ํ•œ๋‹ค. 

 

 

์ผ๋ฐ˜ ๋ฒ„ํŠผ์„ ์„œ๋ฒ„๋กœ ์ „์†กํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด? ๐Ÿค”

<button type="button" onclick = "send();">์„œ๋ฒ„๋กœ ์ „์†ก ์•ˆ ๋จ</button>
<script type="text/javascript">
	function send(){
	const f = document.myForm;
	f.submit(); // submit ๋ฒ„ํŠผ์ด ์•„๋‹Œ button ๋“ฑ์œผ๋กœ ์„œ๋ฒ„๋กœ ์ „์†กํ•  ๋•Œ ํ˜ธ์ถœ 
	// submit ๋ฒ„ํŠผ์—์„œ  submit() ํ•จ์ˆ˜๋ฅผ ํ˜ธ์ถœํ•˜๋ฉด ์„œ๋ฒ„๋กœ ๋‘ ๋ฒˆ ์ „์†ก๋œ๋‹ค. (DB์— ์ž‘์—…ํ•˜๋ฉด ๋‘ ๋ฒˆ ์ €์žฅ๋จ)
}</script>

 

enctype

name

 

 

was (tomcat) ์ด ์ด๋Ÿฐ ํ˜•ํƒœ๋กœ ๋ณ€ํ™˜์„ ํ•ด์ค€๋‹ค. 

htmlCollection ์ธํ„ฐํŽ˜์ด์Šค 

 

action() ์„œ๋ฒ„์œผ ์ฃผ์†Œ 

submit() ์„œ๋ฒ„์— ํผ์„ ์ „์†ก

 

์ค‘์š”

'๐Ÿ’ปProgramming > ๐Ÿƒโ€โ™€๏ธJavaScript' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

[JavaScript] 09. DOM  (0) 2022.09.26
[JavaScript] 08. ์ •๊ทœ์‹  (0) 2022.09.26
[JavaScript] 06. ์ด๋ฒคํŠธ - MouseEvent  (0) 2022.09.23
[JavaScript] 06. ์ด๋ฒคํŠธ - KeyboardEvent  (1) 2022.09.22
[JavaScript] 06. ์ด๋ฒคํŠธ  (0) 2022.09.22
    '๐Ÿ’ปProgramming/๐Ÿƒ‍โ™€๏ธJavaScript' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
    • [JavaScript] 09. DOM
    • [JavaScript] 08. ์ •๊ทœ์‹
    • [JavaScript] 06. ์ด๋ฒคํŠธ - MouseEvent
    • [JavaScript] 06. ์ด๋ฒคํŠธ - KeyboardEvent
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