Find the length of maximum number of consecutive numbers jumbled up in an array.

max-len-sequence.js

// Find the length of maximum number of consecutive numbers jumbled up in an array. 
// e.g.: 1, 94, 93, 1000, 2, 92, 1001 should return 3 for 92, 93, 94

var numbers = [1, 94, 93, 1000, 2, 92, 1001];
var sequences = [];
var count = 1;
var diff;
var largest;
// sort
numbers.sort(function(a, b){
	return a - b;
});
// count sequences
numbers.reduce(function (prev, curr, i) {
	diff = curr - prev;
	if (diff === 1) {
		count += 1;
	} else {
		sequences.push(count);
		count = 1;
	}
	if (i === numbers.length - 1) {
		sequences.push(count);
	}
	return curr;
});
// get the largest
largest = sequences.reduce(function(prev, curr) {
	return curr > prev ? curr : prev;
});

console.log(numbers);
console.log(sequences);
console.log(largest);