initial commit

Author: Coding Money

README.md

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+# js-coding-interview-questions
+
+This repo has been created in support for the Coding Money tutorial videos on youtube. If you want to follow along check out the youtube channel at: http://youtube.com/CodingMoney

completed_exercises/1-reverse-int.js

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+// --- Directions
+// Given an integer, return an integer that is the reverse
+// ordering of numbers.
+// --- Examples
+//   reverseInt(15) === 51
+//   reverseInt(981) === 189
+//   reverseInt(500) === 5
+//   reverseInt(-15) === -51
+//   reverseInt(-90) === -9
+
+function reverseInt(n) {
+  const reversed = n.toString().split('').reverse().join('')
+  return parseInt(reversed) * Math.sign(n)
+}
+
+console.log(reverseInt(-15));

completed_exercises/1-reverse-string.js

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+// --- Directions
+// Given a string, return a new string with the reversed order of characters
+// --- Examples
+//   reverse('hi') === 'ih'
+//   reverse('hello') === 'olleh'
+//   reverse('CodingMoney') === 'yenoMgnidoC'
+
+function reverse(str) {
+  
+  return str.split('').reverse().join('')
+
+}
+
+console.log(reverse('CodingMoney'));
+
+
+// function reverse(str) {
+//   let reversed = ''
+
+//   for(let char of str){
+//     reversed = char + reversed
+//   }
+
+//   return reversed 
+// }

completed_exercises/2-palindrome.js

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+// --- Directions
+// Given a string, return true if the string is a palindrome
+// or false if it is not.  Palindromes are strings that
+// form the same word if it is reversed. 
+
+// --- Examples:
+//   palindrome("kayak") === true
+//   palindrome("madam") === true
+//   palindrome("codingmoney") === false  //yenomgnidoc
+
+function palindrome(str) {
+  const reversed = str.split('').reverse().join('')
+
+  return str === reversed
+
+}
+
+console.log(palindrome('codingmoney'));

completed_exercises/3-maxchars.js

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+// --- Directions
+// Given a string, return the character that is most
+// commonly used in the string.
+// --- Examples
+// maxChar("abcccccccd") === "c"
+// maxChar("apple 1231111") === "1"
+
+function maxChar(str) {
+  const charMap = {}
+  let max = 0
+  let maxChar = ''
+  for(let char of str){
+      charMap[char] = ++charMap[char] || 1
+  }
+
+  for(let key in charMap){
+    if(charMap[key] > max){
+      max = charMap[key]
+      maxChar = key
+    }
+  }
+
+  return maxChar
+}
+
+console.log(maxChar("apple 1231111"));
+

completed_exercises/4-array-chunking.js

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+// --- Directions
+// Given an array and chunk size, divide the array into many subarrays
+// where each subarray is of length size
+// --- Examples
+// chunk([1, 2, 3, 4], 2) --> [[ 1, 2], [3, 4]]
+// chunk([1, 2, 3, 4, 5], 2) --> [[ 1, 2], [3, 4], [5]]
+// chunk([1, 2, 3, 4, 5, 6, 7, 8], 3) --> [[ 1, 2, 3], [4, 5, 6], [7, 8]]
+// chunk([1, 2, 3, 4, 5], 4) --> [[ 1, 2, 3, 4], [5]]
+// chunk([1, 2, 3, 4, 5], 10) --> [[ 1, 2, 3, 4, 5]]
+
+function chunk(array, size) {}

exercises/1-reverse-int.js

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+// --- Directions
+// Given an integer, return an integer that is the reverse
+// ordering of numbers.
+// --- Examples
+//   reverseInt(15) === 51
+//   reverseInt(981) === 189
+//   reverseInt(500) === 5
+//   reverseInt(-15) === -51
+//   reverseInt(-90) === -9
+
+function reverseInt(n) {}

exercises/1-reverse-string.js

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+// --- Directions
+// Given a string, return a new string with the reversed order of characters
+// --- Examples
+//   reverse('hi') === 'ih'
+//   reverse('hello') === 'olleh'
+//   reverse('CodingMoney') === 'yenoMgnidoC'
+
+function reverse(str) {}

exercises/2-palindrome.js

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+// --- Directions
+// Given a string, return true if the string is a palindrome
+// or false if it is not.  Palindromes are strings that
+// form the same word if it is reversed. 
+
+// --- Examples:
+//   palindrome("kayak") === true
+//   palindrome("madam") === true
+//   palindrome("codingmoney") === false
+
+function palindrome(str) {}
+

exercises/3-maxchars.js

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+// --- Directions
+// Given a string, return the character that is most
+// commonly used in the string.
+// --- Examples
+// maxChar("abcccccccd") === "c"
+// maxChar("apple 1231111") === "1"
+
+function maxChar(str) {}

exercises/4-array-chunking.js

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+// --- Directions
+// Given an array and chunk size, divide the array into many subarrays
+// where each subarray is of length size
+// --- Examples
+// chunk([1, 2, 3, 4], 2) --> [[ 1, 2], [3, 4]]
+// chunk([1, 2, 3, 4, 5], 2) --> [[ 1, 2], [3, 4], [5]]
+// chunk([1, 2, 3, 4, 5, 6, 7, 8], 3) --> [[ 1, 2, 3], [4, 5, 6], [7, 8]]
+// chunk([1, 2, 3, 4, 5], 4) --> [[ 1, 2, 3, 4], [5]]
+// chunk([1, 2, 3, 4, 5], 10) --> [[ 1, 2, 3, 4, 5]]
+
+function chunk(array, size) {}