GeoffreyBooth
Node.js & CoffeeScript Core Teams
A Common-Sense Guide to Data Structures and Algorithms, Second Edition - exercises with `array.sort` (page 476)
In the answers for the Chapter 13 exercises, there are several uses of JavaScript’s array.sort() to sort an array of numbers. However, this sorts numbers as strings, and so a number like 22 will appear before a number like 3:
[3, 1, 22].sort();
// [ 1, 22, 3 ], when what we want is [ 1, 3, 22 ]
The answers should replace uses of array.sort() with:
array.sort((a, b) => (a < b) ? -1 : 1);
Marked As Solved
jaywengrow
Author of A Common-Sense Guide to Data Structures and Algorithms
Thanks for this! We were able to fix this in time for the first printing.
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