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[초급 021] - 산술 연산자 resolve #4 
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‎examples/part1/007.js‎

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var store = {
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snack: 1000,
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flower: 5000,
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beverage: 2000
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}
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for (var item in store) {
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if (!store.hasOwnProperty(item)) {
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continue;
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}
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console.log(item + '는 가격이 ' + store[item] + ' 이다.');
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}

‎examples/part1/009.js‎

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var result = true;
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if (result) {
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console.log('result 가 참이다');
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}
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if (!result) {
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console.log('실행되지 않는다.');
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}
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if (result) {
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console.log('result의 결과');
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console.log('>> 참 이다.');
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}

‎examples/part2/016.js‎

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console.log(Infinity);
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console.log(1 / Infinity);
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console.log(0 / 0);
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console.log(Infinity - Infinity);
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console.log(0 / "어처구니가 없는 값");
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‎examples/part2/017.js‎

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// 문자형 이해하기
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console.log("I'm in Jeju");
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console.log('Sewha ocean is wonderful');
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console.log('Have you ever eaten Makgeolli?');
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console.log('This is fir');

‎examples/part2/018.js‎

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//불린형 이해하기
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console.log(7 > 3);
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console.log(7 < 3);

‎examples/part2/019.js‎

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// null과 undefined 이해하기
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var value = null;
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console.log(value);
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console.log(typeof value);
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var value;
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console.log(value);
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console.log(typeof value);

‎examples/part2/020.js‎

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// 템플릿 문자열 이해하기
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var cart = [
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{ name: '옷', price: 2000 },
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{ name: '가방', price: 1000 }
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];
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var numOfItems = `카트에 ${cart.length} 개의 아이템이 있습니다.`;
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var cartTable =
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`<ul>
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<li> 품목: ${cart[0].name}, 가격: ${cart[0].price} </li>
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<li> 품목: ${cart[1].name}, 가격: ${cart[1].price} </li>
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</ul>
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`
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console.log(numOfItems);
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console.log(cartTable);
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var personName = 'harin';
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var helloString = 'hello' + personName;
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var helloTemplateString = `hello ${personName}`;
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console.log(helloString === helloTemplateString);
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console.log(typeof helloTemplateString);

‎examples/part2/021.js‎

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// 산술 연산자
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console.log(15 % 4);
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console.log(3 ** 3);
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console.log(+10);
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console.log(-10);
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var value = 10;
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++value;
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--value;
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console.log(value);

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