// valiadation of initial value $(document).ready(function(){ $("#btn").click(function(){ var num=$("#inVal").val(); if (num.trim()!='' && num.match(/^[\d, -]+$/)){ getResult(num); $("#firstPage ").hide(); $("#secondPage").fadeIn(1500); } else { $("#inVal").css({ 'color': 'red', 'border-color': 'red' }); alert("Your input is incorrect! :(\nPlease,enter array of integers with a comma between two numbers."); } }); }); function getResult(num){ var inputArr=num.split(',').map(function(item) { return parseInt(item.trim(), 10); }); inputArr.sort(function (a, b) {return a - b;}); var input="

Input : [ "+inputArr+" ]

"; inputArr=eliminateDuplicates(inputArr); var output="

Output : "+createRange(inputArr)+"

"; displayResult(input + output); } function eliminateDuplicates(arr) { var i, len=arr.length, out=[], obj={}; for (i=0;i 2) { stringResult+=arr[x]+"~"+arr[y - 1]+" , "; x = y; } else { for (; x < y; x++) stringResult+=arr[x]+" , "; } } stringResult=stringResult.slice(0, -2) + ']'; return stringResult; } function displayResult(stringResult){ $("#result").append(stringResult); $("#result").animate({ left: '0px', width: '+=320px' }, "slow"); addThanks(); } function addThanks(){ $("

I'm glad if you like this code because this is my first \"web\" code :)

Code is changed according suggestion by Rob Blans

").insertAfter("#logo"); } // original description of challenge function getDescription(){ var txt="Write a program that takes a list of integers in increasing order and returns a correctly formatted string in the range format. Example: Input: [-6, -3, -2, -1, 0, 1, 3, 4, 5, 7, 8, 9, 10, 11, 14, 15, 17, 18, 19, 20] Output \"-6,-3-1,3-5,7-11,14,15,17-20\" Example 2: Input: [-5,-4,0,5,6,7,9,10] output: \"-5,-4,0,5-7,9,10\" Example 3: Input: [1,2,3,5,6,8,9,10,11] Output: \"1-3,5,6,8-11\" Note: a range spans at least 3 numbers. e.g. 1,2,3: 1-3 and 5,6: 5,6 and 8,9,10,11: 8-11 \nHave fun! "; $("#desc").text(txt); }

Challenge RangeExtractionWeb