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๐Ÿ”€: Merge pull request #3 from Programming-Contents-List/lecture/2
๐Ÿ”€: main๋ธŒ๋ Œ์น˜๋ฅผ ์ตœ์‹ ํ™” ํ•˜๊ธฐ์œ„ํ•œ merge
2 parents 37592af + 229a759 commit 543fc2e

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2 files changed

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-7
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2 files changed

+18
-7
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โ€Žsrc/data/arr.tsโ€Ž

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export const arrNumber = [2, 6, 3, 6, 5];
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export const arrString = ['1'];
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export const arrString = ['1'];
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//์ด ๋‘˜์€ ๊ฐ™์€ ํƒ€์ž…์ด๋‹ค. ํƒ€์ž…์„ ๋”ฐ๋กœ ์ง€์ •ํ•˜์ง€ ์•Š์œผ๋ฉด string์œผ๋กœ ๊ธฐ๋ณธ๊ฐ’์„ ๊ฐ€์ง„๋‹ค. - ํƒ€์ž… ์ถ”๋ก 
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let element_1: string = 'bmw';
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let element_2 = 'bmw';
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const element = {
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age: 30,
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isAdult: true,
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a: [1, 2, 3],
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a2: [1, 2, 3],
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}
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let week1: string[] = ['mon', 'tue', 'wed'];
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let week2: Array<string> = ['mon', 'tue', 'wed'];

โ€Žsrc/index.tsโ€Ž

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import { arrNumber, arrString } from "./data/arr";
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// null, undefined
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const showItems = (arr: string[]) => {
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arr.forEach(element => console.log(element));
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}
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//์—ฌ๊ธฐ์„œ ํ•จ์ˆ˜ ์ž์ฒด ํŒŒ๋ผ๋ฉ”ํ„ฐ์—์„œ๋„ ํƒ€์ž…์„ ๊ฐœ๋ฐœ์ž๊ฐ€ ์ง์ ‘ ๋„ฃ์–ด๋ณผ ์ˆ˜ ์žˆ์ง€ ์•Š์„๊นŒ?
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showItems(arrString);
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let a: null = null;
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let b: undefined = undefined;

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