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7_Arrays_in_detail
- Arrays.md

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`‎7_Arrays_in_detail/Arrays.md‎`

Lines changed: 20 additions & 20 deletions

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@`
`6`	`6`	`let months = ["January", "February", "March", "April"];`
`7`	`7`
`8`	`8`	`for (let i = 0; i < months.length; i++) {`
`9`		`- console.log(months[i]);`
	`9`	`+ console.log(months[i]);`
`10`	`10`	`}`
`11`	`11`	`// January`
`12`	`12`	`// February`
`@@ -37,8 +37,8 @@ names.unshift("Samarth");`
`37`	`37`	`console.log(names); // [ 'Samarth', 'Bob', 'David', 'Mark' ]`
`38`	`38`
`39`	`39`	`// Array Splice - It adds or removes values in any position of an array`
`40`		`-names.splice(2, 0, "Divyanshi", "Ayushi");`
`41`		`-console.log(names); // [ 'Samarth', 'Bob', 'Divyanshi', 'Ayushi', 'David', 'Mark' ]`
	`40`	`+names.splice(2, 0, "Shruti", "Rishi");`
	`41`	`+console.log(names); // [ 'Samarth', 'Bob', 'Shruti', 'Rishi', 'David', 'Mark' ]`
`42`	`42`
`43`	`43`	`names.splice(2, 2);`
`44`	`44`	`console.log(names); // [ 'Samarth', 'Bob', 'David', 'Mark' ]`
`@@ -48,7 +48,7 @@ const noOneLikesSam = names.slice(1);`
`48`	`48`	`console.log(noOneLikesSam); // [ 'Bob', 'David', 'Mark' ]`
`49`	`49`	```
`50`	`50`
`51`		`-#### forEach method`
	`51`	`+#### forEach method`
`52`	`52`
`53`	`53`	```js
`54`	`54`	`const numbers = [2, 4, 6, 8];`
`@@ -71,13 +71,13 @@ console.log(sum); // 20`
`71`	`71`
`72`	`72`	```js
`73`	`73`	`const inventory = [`
`74`		`- { price: 7, name: "egg" },`
`75`		`- { price: 10, name: "lays" },`
`76`		`- { price: 12, name: "maggie" },`
	`74`	`+ { price: 7, name: "egg" },`
	`75`	`+ { price: 10, name: "lays" },`
	`76`	`+ { price: 12, name: "maggie" },`
`77`	`77`	`];`
`78`	`78`
`79`	`79`	`// Array Map`
`80`		`-const prices = inventory.map((item) => console.log(item.price));// displays only the prices`
	`80`	`+const prices = inventory.map((item) => console.log(item.price));// displays only the prices`
`81`	`81`	`const names = inventory.map((item) => console.log(item.name)); // diplays only the names`
`82`	`82`	```
`83`	`83`
`@@ -94,21 +94,21 @@ console.log(negativeNumbers);`
`94`	`94`
`95`	`95`	`// Another real life example`
`96`	`96`	`const employeesData = [`
`97`		`- { name: "Shubham", overtime: 5 },`
`98`		`- { name: "Samarth", overtime: 7 },`
`99`		`- { name: "Seema", overtime: 8 },`
	`97`	`+ { name: "Shubham", overtime: 5 },`
	`98`	`+ { name: "Samarth", overtime: 7 },`
	`99`	`+ { name: "Seema", overtime: 8 },`
`100`	`100`	`];`
`101`	`101`
`102`	`102`	`const employeesToReward = employeesData.filter(`
`103`		`- (employee) => employee.overtime >= 7`
	`103`	`+ (employee) => employee.overtime >= 7`
`104`	`104`	`);`
`105`	`105`
`106`	`106`	`const employeeNames = employeesToReward.map((employee) => employee.name);`
`107`	`107`
`108`		`-employeeNames.forEach((user)=>{`
`109`		- console.log(`Congratulations, ${user}`); // Congratulations, Samarth
`110`		`-// Congratulations, Seema`
`111`		`-})`
	`108`	`+employeeNames.forEach((user)=>{`
	`109`	+ console.log(`Congratulations, ${user}`); // Congratulations, Samarth
	`110`	`+// Congratulations, Seema`
	`111`	`+});`
`112`	`112`	```
`113`	`113`
`114`	`114`	`#### Array Find`
`@@ -138,9 +138,9 @@ console.log(city); // New Delhi`
`138`	`138`	`const movies = ["Avengers", "Superman", "Batman"];`
`139`	`139`
`140`	`140`	`if (movies.includes("Avengers")) {`
`141`		`- console.log("The movie is available on prime");// The movie is available on prime`
	`141`	`+ console.log("The movie is available on prime");// The movie is available on prime`
`142`	`142`	`} else {`
`143`		`- console.log("The movie is not available on prime.");`
	`143`	`+ console.log("The movie is not available on prime.");`
`144`	`144`	`}`
`145`	`145`
`146`	`146`	`// Note Includes method is case sensitive`
`@@ -152,9 +152,9 @@ if (movies.includes("Avengers")) {`
`152`	`152`	`// Array sort => Alphabetically,`
`153`	`153`	`// doesn't sort numbers`
`154`	`154`	`// This sort method mutates the original array`
`155`		`-const names = ["Shubham", "Aditya", "Divyanshi", "Samarth"];`
	`155`	`+const names = ["Shubham", "Aditya", "Shruti", "Samarth"];`
`156`	`156`	`names.sort();`
`157`		`-console.log(names); // [ 'Aditya', 'Divyanshi', 'Samarth', 'Shubham' ]`
	`157`	`+console.log(names); // [ 'Aditya', 'Shruti', 'Samarth', 'Shubham' ]`
`158`	`158`
`159`	`159`	`const numbers = [4, 12, 8, 5, 1];`
`160`	`160`

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