@@ -175,7 +175,7 @@ function Cup({ guest }) {
175175}
176176
177177export default function TeaGathering () {
178- let cups = [];
178+ const cups = [];
179179 for (let i = 1 ; i <= 12 ; i++ ) {
180180 cups .push (< Cup key= {i} guest= {i} / > );
181181 }
@@ -243,7 +243,7 @@ React에서, **사이드 이펙트는 보통 [이벤트 핸들러](/learn/respon
243243
244244``` js src/Clock.js active
245245export default function Clock ({ time }) {
246- let hours = time .getHours ();
246+ const hours = time .getHours ();
247247 if (hours >= 0 && hours <= 6 ) {
248248 document .getElementById (' time' ).className = ' night' ;
249249 } else {
@@ -305,7 +305,7 @@ body > * {
305305
306306``` js src/Clock.js active
307307export default function Clock ({ time }) {
308- let hours = time .getHours ();
308+ const hours = time .getHours ();
309309 let className;
310310 if (hours >= 0 && hours <= 6 ) {
311311 className = ' night' ;
@@ -604,14 +604,14 @@ export default function StoryTray({ stories }) {
604604import { useState , useEffect } from ' react' ;
605605import StoryTray from ' ./StoryTray.js' ;
606606
607- let initialStories = [
607+ const initialStories = [
608608 {id: 0 , label: " Ankit's Story" },
609609 {id: 1 , label: " Taylor's Story" },
610610];
611611
612612export default function App () {
613- let [stories, setStories] = useState ([... initialStories])
614- let time = useTime ();
613+ const [stories , setStories ] = useState ([... initialStories])
614+ const time = useTime ();
615615
616616 // HACK: Prevent the memory from growing forever while you read docs.
617617 // We're breaking our own rules here.
@@ -700,14 +700,14 @@ export default function StoryTray({ stories }) {
700700import { useState , useEffect } from ' react' ;
701701import StoryTray from ' ./StoryTray.js' ;
702702
703- let initialStories = [
703+ const initialStories = [
704704 {id: 0 , label: " Ankit's Story" },
705705 {id: 1 , label: " Taylor's Story" },
706706];
707707
708708export default function App () {
709- let [stories, setStories] = useState ([... initialStories])
710- let time = useTime ();
709+ const [stories , setStories ] = useState ([... initialStories])
710+ const time = useTime ();
711711
712712 // HACK: Prevent the memory from growing forever while you read docs.
713713 // We're breaking our own rules here.
768768``` js src/StoryTray.js active
769769export default function StoryTray ({ stories }) {
770770 // Copy the array!
771- let storiesToDisplay = stories .slice ();
771+ const storiesToDisplay = stories .slice ();
772772
773773 // Does not affect the original array:
774774 storiesToDisplay .push ({
@@ -792,14 +792,14 @@ export default function StoryTray({ stories }) {
792792import { useState , useEffect } from ' react' ;
793793import StoryTray from ' ./StoryTray.js' ;
794794
795- let initialStories = [
795+ const initialStories = [
796796 {id: 0 , label: " Ankit's Story" },
797797 {id: 1 , label: " Taylor's Story" },
798798];
799799
800800export default function App () {
801- let [stories, setStories] = useState ([... initialStories])
802- let time = useTime ();
801+ const [stories , setStories ] = useState ([... initialStories])
802+ const time = useTime ();
803803
804804 // HACK: Prevent the memory from growing forever while you read docs.
805805 // We're breaking our own rules here.
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