JavaScript: Summary Ranges

Last update: 14 Sep 15:19
0
Students

solution.js

Write and export as default a function that finds continuously increasing number sequences in an array and returns an array listing them.

Examples

summaryRanges([]);
// []

summaryRanges([1]);
// []

summaryRanges([1, 2, 3]);
// ['1->3']

summaryRanges([0, 1, 2, 4, 5, 7]);
// ['0->2', '4->5']

summaryRanges([110, 111, 112, 111, -5, -4, -2, -3, -4, -5]);
// ['110->112', '-5->-4']

For full access to the challenge you need a professional subscription.

A professional subscription will give you full access to all Hexlet courses, projects and lifetime access to the theory of lessons learned. You can cancel your subscription at any time.

Get access
130
courses
1000
exercises
2000+
hours of theory
3200
tests