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Array Reduce

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Lines changed: 24 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -167,3 +167,27 @@ numbers.sort((a, b) => b - a);`
`167`	`167`	`console.log(numbers); // [ 12, 8, 5, 4, 1 ]`
`168`	`168`	```
`169`	`169`
	`170`	`+#### Some and Every`
	`171`	`+`
	`172`	+```js
	`173`	`+const array = [1, 2, 3, 4, 5];`
	`174`	`+`
	`175`	`+// Array Some => returns true if atleast one element passes the test`
	`176`	`+console.log(array.some((number) => number > 5)); // false`
	`177`	`+`
	`178`	`+// Array Every => return true if all elements pass the test`
	`179`	`+console.log(array.every((number) => number > 0)); // true`
	`180`	+```
	`181`	`+`
	`182`	`+#### Array Reduce`
	`183`	`+`
	`184`	+```js
	`185`	`+// Array Reduce`
	`186`	`+`
	`187`	`+const groceryList = [29, 12, 45, 35, 87, 110];`
	`188`	`+`
	`189`	`+const total = groceryList.reduce((total, price) => total + price, 0);`
	`190`	`+`
	`191`	`+console.log(total); // 318`
	`192`	+```
	`193`	`+`

Lines changed: 24 additions & 8 deletions

Original file line number	Diff line number	Diff line change
`@@ -26,16 +26,32 @@`
`26`	`26`	`// Array sort => Alphabetically,`
`27`	`27`	`// doesn't sort numbers`
`28`	`28`	`// This sort method mutates the original array`
`29`		`-const names = ["Shubham", "Aditya", "Divyanshi", "Samarth"];`
`30`		`-names.sort();`
`31`		`-console.log(names);`
	`29`	`+// const names = ["Shubham", "Aditya", "Divyanshi", "Samarth"];`
	`30`	`+// names.sort();`
	`31`	`+// console.log(names);`
`32`	`32`
`33`		`-const numbers = [4, 12, 8, 5, 1];`
	`33`	`+// const numbers = [4, 12, 8, 5, 1];`
`34`	`34`
`35`	`35`	`// Ascending order`
`36`		`-numbers.sort((a, b) => a - b);`
`37`		`-console.log(numbers);`
	`36`	`+// numbers.sort((a, b) => a - b);`
	`37`	`+// console.log(numbers);`
`38`	`38`
`39`	`39`	`// Descending order`
`40`		`-numbers.sort((a, b) => b - a);`
`41`		`-console.log(numbers);`
	`40`	`+// numbers.sort((a, b) => b - a);`
	`41`	`+// console.log(numbers);`
	`42`	`+`
	`43`	`+// const array = [1, 2, 3, 4, 5];`
	`44`	`+`
	`45`	`+// Array Some => returns true if atleast one element passes the test`
	`46`	`+// console.log(array.some((number) => number > 5)); // false`
	`47`	`+`
	`48`	`+// Array Every => return true if all elements pass the test`
	`49`	`+// console.log(array.every((number) => number > 0)); // true`
	`50`	`+`
	`51`	`+// Array Reduce`
	`52`	`+`
	`53`	`+const groceryList = [29, 12, 45, 35, 87, 110];`
	`54`	`+`
	`55`	`+const total = groceryList.reduce((total, price) => total + price, 0);`
	`56`	`+`
	`57`	`+console.log(total); // 318`

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