JSFiddle - React, Tailwind, and code Playground

by Chase Wilson

JavaScript

let endOfRange = (array, num) => {
	let first = array.shift();
  let rest = array;
  if ( rest[0] == (first + 1) ) {
    
  }
  
}

function stringifyNumberRuns ( arr ) {
	
}

console.log( stringifyNumberRuns([1]) ) //=> '1'
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([0, 2, 3, 4, 6, 7, 9]) )//=> '0,2:4,6:7,9'