diff --git a/Day01/.loops.36.ques.js b/Day01/.loops.36.ques.js
new file mode 100644
index 0000000..9add973
--- /dev/null
+++ b/Day01/.loops.36.ques.js
@@ -0,0 +1,145 @@
+class Problem {
+        /**
+     * Have the wordCount(input) take the str string parameter being passed
+     * and return the number of words the string contains
+     * (e.g. "Never eat shredded wheat or cake" would return 6). Words will be
+     * separated by single spaces.
+     */
+
+        wordCount(input) {
+            // code goes here
+            let string = input.split(' ');
+            let wordLength = string.length;
+            return wordLength;
+        }
+    }
+
+
+    /**
+     * Have the function LetterCapitalize(str) take the str parameter being passed and capitalize the first 
+     letter of each word. Words will be separated by only one space.
+    * 
+    */
+
+   letterCapitalize(string) {
+    return string.charAt(0).toUpperCase() + string.slice(1);
+}
+
+        }
+        return null;
+    }
+
+
+
+    /**
+     * Have the function firstReverse(String input) take the input parameter being passed and
+     * return the string in reversed order. For example: if the input string is "Hello World and Coders" then your
+     * program should return the string sredoC dna dlroW olleH.
+     */
+
+    function reverseString(str) {
+        var newString = "";
+        for (var i = str.length - 1; i >= 0; i--) {
+            newString += str[i];
+        }
+        return newString;
+    }
+    reverseString('hello');
+
+   // firstReverse(input) {
+       // let splitString = input.split('');
+       // let reverseArray = splitString.reverse();
+        //let joinArray = reverseArray.join('');
+        //return joinArray;
+    }
+
+
+    /**
+     * Have the longestWord(String input) take the input parameter being passed and return the
+     * largest word in the string. If there are two or more words that are the same length,
+     * return the first word from the string with that length. Ignore punctuation and assume
+     * input will not be empty.
+     */
+    longestWord (input)
+              // let splitString = input.split('');
+       // let Array = splitString.length ();
+       longestWord(input) {
+        // code goes here
+        let strSplit = input.split('');
+        let longestWord = 0;
+        for (let i = 0; i < strSplit.length; i++){
+            if(strSplit[i].length > longestWord){
+                longestWord = strSplit[i].length;
+            }
+        }
+        return longestWord;
+
+        longest = str => {
+           let words = str.split(" ");
+            let size = 0;
+            let max = [" "];
+             for (let i = 0; i < words.length; i++) {
+              if (words[i].length > size) {
+                size = words[i].length;
+              }
+              if (max[max.length - 1].length < words[i].length) {
+                max = [];
+                max.push(words[i]);
+              } else {
+                max = [...max, words[i]];
+              }
+            }
+            return max;
+          };
+          
+    }
+
+              return sen;
+
+            }
+
+            // keep this function call here
+            console.log(LongestWord(readline())); // code goes here
+        return null;
+    }
+
+    /**
+     * Have the swapCase(String input) take the input parameter and swap the case of each
+     * character. For example: if str is "Hello World" the output should be hELLO wORLD.
+     * Let numbers and symbols stay the way they are.
+     */
+    swapCase(str) {
+        letterCapitalize(str) {
+            // create a variable to contain output
+            let output = ""
+            // create a loop to go through the string
+            for(let i = 0; i < str.length; i ++){
+            // capitalize first index
+                if(i === 0){
+                    output += str[i].toUpperCase()
+            // add to variable
+                }
+                else if (str[i-1] === " "){
+            // capitalize the index after each space
+            // add to variable
+                    output += str[i].toUpperCase()
+                }
+                else {
+                    output += str[i]
+                }
+            }
+            // return the output
+            return output;
+        }
+
+        return null;
+    }
+
+}
+
+module.exports = Problem;
+
+letterCapitalize(string) {
+        
+    return string.replace(/\w\S*/g, (w) => (w.replace(/^\w/, (c) => c.toUpperCase())));
+}
diff --git a/Day01/Problem01.js b/Day01/Problem01.js
index 6ad3c39..47416f6 100644
--- a/Day01/Problem01.js
+++ b/Day01/Problem01.js
@@ -6,8 +6,16 @@ class Problem {
      * separated by single spaces.
      */
     wordCount(input) {
-        // code goes here
-        return null;
+        */    wordCount(input) {
+            // code goes here
+            let string = input.split(' ');
+            let wordLength = string.length;
+            return wordLength;
+        }    /**
+    
+            }
+        }
+        return WordCounter;
     }
 
 
@@ -15,10 +23,31 @@ class Problem {
      * Have the function LetterCapitalize(str) take the str parameter being passed and capitalize the first 
      letter of each word. Words will be separated by only one space.
     * 
-    */
-    letterCapitalize(str) {
-        return null;
+      letterCapitalize(string) {
+     return string.charAt(0).toUpperCase() + string.slice(1);
+ }
+letterCapitalize(str) {
+ create a variable to contain output
+        let output = ""
+create a loop to go through the string
+    for(let i = 0; i < str.length; i ++){
+capitalize first index
+        if(i === 0){
+            output += str[i].toUpperCase()
+add to variable
+        }
+        else if (str[i-1] === " "){
+capitalize the index after each space
+ add to variable
+            output += str[i].toUpperCase()
+        }
+        else {
+            output += str[i]
+        }
     }
+    // return the output
+    return output;
+}
 
 
 
@@ -29,7 +58,10 @@ class Problem {
      */
 
     firstReverse(input){
-        return null;
+        let splitString = input.split('');
+        let reverseArray = splitString.reverse();
+        let joinArray = reverseArray.join('');
+        return joinArray;
     }
 
     /**
@@ -39,8 +71,17 @@ class Problem {
      * input will not be empty.
      */
     longestWord(input) {
-        // code goes here
-        return null;
+        var str = input.split(/[^a-zA-Z]/);  // splits string into words & ignores non-letters
+        var longest = 0;
+        var word = str;
+        for (var i = 0; i <= str.length - 1; i++) {  // steps thru array & adjusts count to begin at 0
+            if (longest < str[i].length) {  // compares current longest with word in the array
+                longest = str[i].length;  // longest word is replaced with new longest word
+                word = str[i];  // word is now the longest word
+            }
+        }
+        return word;
+    }
     }
 
     /**
@@ -50,9 +91,15 @@ class Problem {
      */
     swapCase(str) {
         // code goes here
-        return null;
+        var newLetters = "";
+    for(var i = 0; i<str.length; i++){
+        if(str[i] === str[i].toLowerCase()){
+            newLetters += str[i].toUpperCase();
+        }else {
+            newLetters += str[i].toLowerCase();
+        }
     }
-
-}
+    console.log(newLetters);
+    return newLetters;
 
 module.exports = Problem;
\ No newline at end of file