๐Ÿ”– Snippets/Javascript

JS์—์„œ ๊ฐ์ฒด์— function์„ ์„ ์–ธํ•ด์•ผ ํ•˜๋Š” ์ด์œ (feat. ์ „์—ญ ๋ณ€์ˆ˜ ์ถฉ๋Œ)

2022. 6. 24. 20:48
๋ชฉ์ฐจ
  1. JS์—์„œ ์Šค์ฝ”ํ”„ ๊ด€๋ฆฌ
  2. A.js
  3. B.js
  4. ํ•œ๋ฒˆ ๊ฐ์‹ธ์„œ ์„ ์–ธ
๋ฐ˜์‘ํ˜•

JS์—์„œ ์Šค์ฝ”ํ”„ ๊ด€๋ฆฌ

์•„๋ž˜์˜ A.js ์ฝ”๋“œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

A.js

function sayHello() {
     console.log("hello"); 
}

..

Hello ์ฝ˜์†”์— ์ถœ๋ ฅํ•˜๋Š” sayHello๋ผ๋Š” ํ•จ์ˆ˜๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

๊ทผ๋ฐ ๋งŒ์•ฝ ์•„๋ž˜์˜ B.js ๋ผ๋Š” ํŒŒ์ผ์ด ์ถ”๊ฐ€๊ฐ€ ๋˜๋ฉด ์–ด๋–ป๊ฒŒ ๋ ๊นŒ์š”?

B.js

function sayHello() {
     console.log("bye"); 
}

HTML ์Šคํฌ๋ฆฝํŠธ์— ์ด๋ ‡๊ฒŒ ์„ ์–ธ์ด ๋˜์–ด์žˆ๋‹ค๋ฉด?

...
<html>
<body>
  <!-- ...์ƒ๋žต -->
  <script src="/js/A.js"></script>
  <script src="/js/B.js"></script>
</body>
</html>

๋งŒ์•ฝ ์ด๋Ÿฐ์‹์œผ๋กœ ๋ถˆ๋Ÿฌ์˜ค๊ฒŒ ๋œ๋‹ค๋ฉด, sayHello()๋Š” ์–ด๋–ค ๊ฐ’์„ ์ถœ๋ ฅํ•˜๊ฒŒ ๋ ๊นŒ์š”?

๋ธŒ๋ผ์šฐ์ €์˜ ์Šค์ฝ”ํ”„๋Š” ๊ณต์šฉ ๊ณต๊ฐ„์œผ๋กœ ์“ฐ์ด๊ธฐ ๋•Œ๋ฌธ์— ๋งˆ์ง€๋ง‰์— ๋กœ๋”ฉ๋œ B.js์— ์žˆ๋Š” sayHello ํ•จ์ˆ˜๊ฐ€ A.js์˜ sayHello ํ•จ์ˆ˜๋ฅผ ๋ฎ์–ด์“ฐ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

๊ทธ๋ž˜์„œ ๊ฒฐ๊ตญ์—” "bye"๊ฐ€ ์ถœ๋ ฅ์ด ๋˜๋Š” ๊ฒƒ์ด์ฃ .

๊ทธ๋ ‡๊ธฐ ๋•Œ๋ฌธ์— ํ•จ์ˆ˜๋ฅผ ์„ ์–ธํ•  ๋•Œ์—๋Š” ์ด๋Ÿฐ ๋ถˆ์ƒ์‚ฌ๊ฐ€ ์ƒ๊ธฐ์ง€ ์•Š๋„๋ก ํ•œ๋ฒˆ ๊ฐ์‹ธ์ฃผ๋Š” ๊ฒƒ ์ž…๋‹ˆ๋‹ค.

ํ•œ๋ฒˆ ๊ฐ์‹ธ์„œ ์„ ์–ธ

A.js

var A_fun = {
     sayHello: function() {
      console.log("hello");
    };
}

B.js

var B_fun = {
     sayHello: function() {
      console.log("bye");
    };
}

์ด๋Ÿฐ์‹์œผ๋กœ ๋ณ€๊ฒฝํ•˜๋ฉด ํ•œ์ชฝ์ด ๋ฎ์–ด์”Œ์–ด์ง€๊ฑฐ๋‚˜ ํ•˜๋Š” ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•˜์ง€ ์•Š๊ฒ ์ฃ ?

๋ฐ˜์‘ํ˜•
์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)
  1. JS์—์„œ ์Šค์ฝ”ํ”„ ๊ด€๋ฆฌ
  2. A.js
  3. B.js
  4. ํ•œ๋ฒˆ ๊ฐ์‹ธ์„œ ์„ ์–ธ
'๐Ÿ”– Snippets/Javascript' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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JS์—์„œ ๊ฐ์ฒด์— function์„ ์„ ์–ธํ•ด์•ผ ํ•˜๋Š” ์ด์œ (feat. ์ „์—ญ ๋ณ€์ˆ˜ ์ถฉ๋Œ)
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