Number Runs

by Chase Wilson

JavaScript

function stringifyNumberRuns ( arrOfNumbers ) {
}

console.log( stringifyNumberRuns([null]) ) //=> ''
console.log( stringifyNumberRuns([1, null]) ) //=> '1'
console.log( stringifyNumberRuns([1, null, 2]) )//=> '1,2'
console.log( stringifyNumberRuns([1, 3]) )//=> '1,3'
console.log( stringifyNumberRuns([1, 2]) )//=> '1/2'
console.log( stringifyNumberRuns([1, 2, 3]) )//=> '1/3'
console.log( stringifyNumberRuns([5, 4, 3, 2, 1]) ) // => '5\1'
console.log( stringifyNumberRuns([0, 2, 3, 4, 6, 7, 9, 2, 3, -1, 0, 1, 10, 12, 14]) ) //=> '0,2/4,6/7,9,2/3,-1/1,10,12,14'