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JAVASCRIPT =====================================   const numbers = [1, 2, 3, 4, 5, 6, 7, 9]; // Using map() to create a new array with nested arrays. The second element will be the current number * 2 // Using flat() to flatten the nested arrays // Using flatMap() to create a new flattened array //Print nested array /* [   [ 1, 2 ],  [ 2, 4 ],   [ 3, 6 ],  [ 4, 8 ],   [ 5, 10 ], [ 6, 12 ],   [ 7, 14 ], [ 9, 18 ] ] */ //Print flattened array /* [   1,  2, 2,  4, 3,  6,   4,  8, 5, 10, 6, 12,   7, 14, 9, 18 ] */ //Print flat mapped array /* [   1,  2, 2,  4, 3,  6,   4,  8, 5, 10, 6, 12,   7, 14, 9, 18 ] */

JAVASCRIPT =====================================   const numbers = [1, 2, 3, 4, 5, 6, 7, 9]; // Using map() to create a new array with nested arrays. The second element will be the current number * 2 // Using flat() to flatten the nested arrays // Using flatMap() to create a new flattened array //Print nested array /* [   [ 1, 2 ],  [ 2, 4 ],   [ 3, 6 ],  [ 4, 8 ],   [ 5, 10 ], [ 6, 12 ],   [ 7, 14 ], [ 9, 18 ] ] */ //Print flattened array /* [   1,  2, 2,  4, 3,  6,   4,  8, 5, 10, 6, 12,   7, 14, 9, 18 ] */ //Print flat mapped array /* [   1,  2, 2,  4, 3,  6,   4,  8, 5, 10, 6, 12,   7, 14, 9, 18 ] */

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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JAVASCRIPT
=====================================
 
const numbers = [1, 2, 3, 4, 5, 6, 7, 9];

// Using map() to create a new array with nested arrays. The second element will be the current number * 2


// Using flat() to flatten the nested arrays


// Using flatMap() to create a new flattened array


//Print nested array
/*
[
  [ 1, 2 ],  [ 2, 4 ],
  [ 3, 6 ],  [ 4, 8 ],
  [ 5, 10 ], [ 6, 12 ],
  [ 7, 14 ], [ 9, 18 ]
]
*/

//Print flattened array
/*
[
  1,  2, 2,  4, 3,  6,
  4,  8, 5, 10, 6, 12,
  7, 14, 9, 18
]
*/


//Print flat mapped array
/*
[
  1,  2, 2,  4, 3,  6,
  4,  8, 5, 10, 6, 12,
  7, 14, 9, 18
]
*/
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