PSETS 1,2,3,4,5,6 - oigwe

pset1.js

@@ -9,11 +9,34 @@ if that number is > 100, should return NaN
 if invalid input given, return -1
 ******************/
 
-function myAge( ageNow, numYears ) {
-
+function myAge(ageNow = 26, numYears = 10) {
+    let sum = ageNow + numYears;
+    if (sum < 100) {
+        let string = `In ${numYears} years, I will be ${sum}`;
+        return string; 
+    }
+    else if (sum > 100) {
+        return NaN;
+    }
+    else if ((typeof ageNow !== 'number') || (typeof numYears !== 'number')){
+        return -1;
 }
+}
+console.log(myAge());
 
+const myAge = function(ageNow, numYears) {
+    let sum = ageNow + numYears;
+    let string = `In ${numYears} years, I will be ${sum}`;
+    return string;
+}
+console.log(myAge());
 
+const myAge = (ageNow, numYears) => {
+    let sum = ageNow + numYears;
+    let string = `In ${numYears} years, I will be ${sum}`;
+    return string;
+}
+console.log(myAge());
 
 /******************
 Concatenate Strings
@@ -29,11 +52,24 @@ Concatenating string variables
 - Call myConcatenate function
 ******************/
 
-function myConcatenate( firstStr, secondStr, thirdStr ) {
-
+function myConcatenate( firstStr = 'I', secondStr = "am", thirdStr = "iron man" ) {
+    let mySentence = `${firstStr} ${secondStr} ${thirdStr}`;
+    return mySentence;
+}
+console.log(myConcatenate());
+
+const myConcatenate = function(firstStr, secondStr, thirdStr) {
+    let mySentence = `${firstStr} ${secondStr} ${thirdStr}`;
+    return mySentence;
 }
+console.log(myConcatenate());
 
-myConcatenate('I', 'am', 'iron man'); // 'I am iron man'
+const myConcatenate = (firstStr, secondStr, thirdStr) => {
+    let mySentence = `${firstStr} ${secondStr} ${thirdStr}`;
+    return mySentence;
+}
+console.log(myConcatenate());
+//myConcatenate('I', 'am', 'iron man'); // 'I am iron man'*/
 
 /******************
 Subtract Function
@@ -44,10 +80,18 @@ This function will take two numbers and subtract them
 Ensure that both of the inputs are numbers
 ******************/
 
-function subtract(a,b) {
-
+function subtract(a = 0, b = 0) {
+   return a - b; 
+}
+console.log(subtract());
+
+const subtract = function(a = 0, b = 0) {
+    return a - b; 
 }
+     console.log(subtract());
 
+const subtract = (a = 0, b = 0) => a - b;
+console.log(subtract());
 /******************
 Area of A Circle
 
@@ -60,11 +104,20 @@ A = π * r2, where is π is Pi and r is the radius squared
 ******************/
 
 
-function areaOfaCircle(radius){
+function areaOfaCircle(radius = 1){
+   return Math.PI * (radius ** 2);
 
+}    
+console.log(areaOfaCircle);
+
+const area = function(radius = 1) {
+    return Math.PI * (radius ** 2);
 
 }    
+console.log(areaOfaCircle);
 
+const area = (radius = 1) => Math.PI * (radius ** 2);
+console.log(area());
 /******************
 Temperature Converter Fahrenheit to Celsius
 
@@ -74,7 +127,28 @@ Now store a fahrenheit temperature into a variable.
 
 Convert it to celsius and output "NN°F is NN°C."
 ******************/
+function fahrenheitToCelsius(F = 32){
+    const C = ((F-32) * (5/9));
+    const fahrenheitToCelsius = `${F}°F is ${C}°C.`;
+    return fahrenheitToCelsius;
+}
+console.log(fahrenheitToCelsius());
+
+const fahrenheitToCelsius = function(F = 32) {
+    const C = ((F-32) * (5/9));
+    const fahrenheitToCelsius = `${F}°F is ${C}°C.`;
+    return fahrenheitToCelsius;
+}
+console.log(fahrenheitToCelsius());
 
+const fahrenheitToCelsius = (F = 32) => {
+    const C = ((F-32) * (5/9));
+    const fahrenheitToCelsius = `${F}°F is ${C}°C.`;
+    return fahrenheitToCelsius;
+}
+console.log(fahrenheitToCelsius());
+
+/*
 
 /******************
 Temperature Converter Celsius to Fahrenheit
@@ -85,7 +159,26 @@ Store a celsius temperature into a variable.
 
 Convert it to fahrenheit and output "NN°C is NN°F".
 ******************/
+function celsiusToFahrenheit(C = 0){
+    let F = (C * 9/5) + 32;
+    const celsiusToFahrenheit = `${C}°C is ${F}°F.`;
+    return celsiusToFahrenheit;
+}
+console.log(celsiusToFahrenheit());
+
+const celsiusToFahrenheit = function(C = 0) {
+    let F = (C * 9/5) + 32;
+    const celsiusToFahrenheit = `${C}°C is ${F}°F.`;
+    return celsiusToFahrenheit;
+}
+console.log(celsiusToFahrenheit());
 
+const celsiusToFahrenheit = (C = 0) => {
+    let F = (C * 9/5) + 32;
+    const celsiusToFahrenheit = `${C}°C is ${F}°F.`;
+    return celsiusToFahrenheit;
+}
+console.log(celsiusToFahrenheit());
 
 /******************
 Is it the weekend?
@@ -103,7 +196,57 @@ console.log(today); // No, it's the weekday
 If you are having trouble, please note that Javascript has a helpful built-in function to help get the current day
 ******************/
 
+function isItTheWeekend(day) {
+
+    if (day === "Saturday") {
+       return 'Yes, it\'s the weekend';
+    }
+
+    else if (day === "Sunday") {
+        return 'Yes, it\'s the weekend';
+    }
+    else {
+     return 'No, it\'s the weekday';
+    }
+
+    }
+
+    console.log(today("Monday"));
+
+const today = (day) => {
+
+    if (day === "Saturday") {
+       return 'Yes, it\'s the weekend';
+    }
+
+    else if (day === "Sunday") {
+        return 'Yes, it\'s the weekend';
+    }
+    else {
+     return 'No, it\'s the weekday';
+    }
+
+    }
+
+    console.log(today("Monday"));
+
+
+const today = function isItTheWeekend(day) {
 
+    if (day === "Saturday") {
+       return 'Yes, it\'s the weekend';
+    }
+
+    else if (day === "Sunday") {
+        return 'Yes, it\'s the weekend';
+    }
+    else {
+     return 'No, it\'s the weekday';
+    }
+
+    }
+
+    console.log(today("Monday"));
 
 /******************
 Finding the absolute value of a number
@@ -115,7 +258,18 @@ The function should return the absolute value of the number
 The absolute value of a negative number is the positive version of that same number,
 and the absolute value of a positive number (or zero) is that number itself.
 ******************/
+function absolute(num) {
+    return Math.abs(num);
+}
+console.log(absolute());
+
+const absolute = function(num) {
+    return Math.abs(num);
+}
+console.log(absolute());
 
+const absolute = (num = -1) => Math.abs(num);
+console.log(absolute());
 
 /******************
 Create a function that counts the number of characters in your name
@@ -128,4 +282,26 @@ return the number of characters in the string
 call function 'countChars'
 ******************/
 
+function countChars(nameString = "Jane Doe") {
+    return nameString.length
+}
+console.log(countChars());
 
+const countChars = function(nameString = "Jane Doe")) {
+    return nameString.length
+}
+console.log(countChars());
+
+const countChar = (nameString = "Jane Doe")) => nameString.length;
+console.log(countChars("Osita"));
+
+const simpleConditionalExamples = () => {
+    if (true){
+    console.log('this will show up!');
+    }
+    if (false){
+    console.log('will this show up tho…?');
+    }
+    return 1;
+    }
+    simpleConditionalExamples();

pset2.js

@@ -9,8 +9,12 @@
                  returns that computed value
     @example doMath( 1,2,3 ); // 9
 */
-
-
+const doMath = (firstNum, secondNum, thirdNum) => {
+    let sum = firstNum + secondNum;
+    let multiplies = sum * thirdNum;
+    return multiplies;
+}
+console.log(doMath( 1,2,3 ));
 /*
     @function addMiddleName
     @param firstName
@@ -24,8 +28,14 @@
                  return firstname and last name
     @example addMiddleNmae('John', 'Mabel', 'Smith'); // John Mabel Smith
 */
-
-
+const addMiddleName = (firstName, lastName, middleName = "") =>{
+
+    if (middleName.length === 0) {
+        return firstName.concat(' ',lastName);
+    }
+    return firstName.concat(' ',middleName, ' ',lastName);
+}
+console.log(addMiddleName('John', 'Mabel','Smith'));
 /*
     @function defaultPlaceholder
     @param placeholder {string}
@@ -35,8 +45,11 @@
     @example defaultPlaceHolder('Hello Wrold!'); 
              // <input type="text" placeholder="Hello Wrold!" />
 */
-
-
+const defaultPlaceHolder = (placeholder = '') => {
+    const inputHolder = placeholder;
+    return `<input type="text" placeholder=${inputHolder} />`;
+}
+console.log(defaultPlaceHolder('Hello Wrold!'));
 /*
     @function addClasses
     @param {string} class1
@@ -47,8 +60,10 @@
     @example addClass('foo', 'bar', 'stuff');
              // <div class="foo bar">stuff</div>
 */
-
-
+const addClasses = (class1, class2, content) => {
+    return `<div class="${class1.concat(' ', class2)}">${content}/div>`;
+}
+console.log(addClasses('foo', 'bar', 'stuff'));
 /*
     @function duplicate
     @param {string} start
@@ -58,4 +73,7 @@
     @example duplicate('hello!'); // hello!hello!
 */
 
-
+const duplicate = start => {
+    return start.concat(start);
+}
+console.log(duplicate('hello!'));