Updated exercises

02_repeatString/README.md

@@ -10,7 +10,7 @@ This function will take two arguments, `string` and `num`.
 
 *Note:* The exercises after this one will not have arguments provided as this one does - you will need to provide them yourself from now on. So read each exercise's README carefully to see what kinds of arguments will be expected.
 
-You will notice in this exercise that there are multiple tests (see in file `repeatString.spec.js`). Only the first test is currently enabled. So after making sure that this first one passes, enable the others one by one by deleting the `.skip` from the `test.skip()` function.
+You will notice in this exercise that there are multiple tests (see in file `repeatString.spec.js`). Only the first test is currently enabled. So after making sure that this first one passes, enable the others one by one by deleting the `` from the `test()` function.
 
 
 ## Hints

02_repeatString/repeatString.js

@@ -1,5 +1,9 @@
 const repeatString = function(string, num) {
+    if (num < 0) {
+        return "ERROR";
+    } else {
         return string.repeat(num); 
+    }
 };
 
 // Do not edit below this line

02_repeatString/repeatString.spec.js

@@ -4,19 +4,19 @@ describe('repeatString', () => {
   test('repeats the string', () => {
     expect(repeatString('hey', 3)).toEqual('heyheyhey');
   });
-  test.skip('repeats the string many times', () => {
+  test('repeats the string many times', () => {
     expect(repeatString('hey', 10)).toEqual('heyheyheyheyheyheyheyheyheyhey');
   });
-  test.skip('repeats the string 1 times', () => {
+  test('repeats the string 1 times', () => {
     expect(repeatString('hey', 1)).toEqual('hey');
   });
-  test.skip('repeats the string 0 times', () => {
+  test('repeats the string 0 times', () => {
     expect(repeatString('hey', 0)).toEqual('');
   });
-  test.skip('returns ERROR with negative numbers', () => {
+  test('returns ERROR with negative numbers', () => {
     expect(repeatString('hey', -1)).toEqual('ERROR');
   });
-  test.skip('repeats the string a random amount of times', function () {
+  test('repeats the string a random amount of times', function () {
     /*The number is generated by using Math.random to get a value from between
     0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it 
     equals a number between 0 to 999 (this number will change everytime you run
@@ -31,7 +31,7 @@ describe('repeatString', () => {
     was randomly generated. */
     expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number);
   });
-  test.skip('works with blank strings', () => {
+  test('works with blank strings', () => {
     expect(repeatString('', 10)).toEqual('');
   });
 });

03_reverseString/README.md

@@ -6,7 +6,7 @@ Pretty simple, write a function called `reverseString` that returns its input, r
 reverseString('hello there') // returns 'ereht olleh'
 ```
 
-You will notice in this exercise that there are multiple tests, after making the first one pass, enable the others one by one by deleting the `.skip` in front the `test.skip()` function.
+You will notice in this exercise that there are multiple tests, after making the first one pass, enable the others one by one by deleting the `` in front the `test()` function.
 
 ## Hints
 Strings in JavaScript cannot be reversed directly so you're going to have to split it into something else first.. do the reversal and then join it back together into a string.

03_reverseString/reverseString.spec.js

@@ -5,14 +5,14 @@ describe('reverseString', () => {
     expect(reverseString('hello')).toEqual('olleh');
   });
 
-  test.skip('reverses multiple words', () => {
+  test('reverses multiple words', () => {
     expect(reverseString('hello there')).toEqual('ereht olleh')
   })
 
-  test.skip('works with numbers and punctuation', () => {
+  test('works with numbers and punctuation', () => {
     expect(reverseString('123! abc!')).toEqual('!cba !321')
   })
-  test.skip('works with blank strings', () => {
+  test('works with blank strings', () => {
     expect(reverseString('')).toEqual('')
   })
 });

04_removeFromArray/removeFromArray.js

@@ -1,6 +1,6 @@
-const removeFromArray = function(list) {
+const removeFromArray = function(list, item) {
 //Remove third element from array
-    let remove = list.splice(2, 1);
+    let remove = list.filter(item);
     return list;
 };
 

04_removeFromArray/removeFromArray.spec.js

@@ -4,22 +4,22 @@ describe('removeFromArray', () => {
   test('removes a single value', () => {
     expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
   });
-  test.skip('removes multiple values', () => {
+  test('removes multiple values', () => {
     expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
   });
-  test.skip('ignores non present values', () => {
+  test('ignores non present values', () => {
     expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
   });
-  test.skip('ignores non present values, but still works', () => {
+  test('ignores non present values, but still works', () => {
     expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
   });
-  test.skip('can remove all values', () => {
+  test('can remove all values', () => {
     expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
   });
-  test.skip('works with strings', () => {
+  test('works with strings', () => {
     expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
   });
-  test.skip('only removes same type', () => {
+  test('only removes same type', () => {
     expect(removeFromArray([1, 2, 3], "1", 3)).toEqual([1, 2]);
   });
 });

08_calculator/calculator.js

@@ -1,17 +1,26 @@
-const add = function() {
-	
+const add = function(num1, num2) {
+  let total = num1 + num2;
+  return total;
 };
 
-const subtract = function() {
-	
+const subtract = function(num1, num2) {
+	let total = num1 - num2;
+  return total;
 };
 
 const sum = function() {
+	  let total = 0;
 
+    for (i = 0; i < numList.length; i++) {
+        total += parseInt(numList[i]);
+    }
+    
+    return total;
 };
 
-const multiply = function() {
-
+const multiply = function(num1, num2) {
+  let total = num1 * num2;
+  return total;
 };
 
 const power = function() {

package-lock.json

@@ -1529,10 +1529,20 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001223",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001223.tgz",
-      "integrity": "sha512-k/RYs6zc/fjbxTjaWZemeSmOjO0JJV+KguOBA3NwPup8uzxM1cMhR2BD9XmO86GuqaqTCO8CgkgH9Rz//vdDiA==",
-      "dev": true
+      "version": "1.0.30001425",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001425.tgz",
+      "integrity": "sha512-/pzFv0OmNG6W0ym80P3NtapU0QEiDS3VuYAZMGoLLqiC7f6FJFe1MjpQDREGApeenD9wloeytmVDj+JLXPC6qw==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/browserslist"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/caniuse-lite"
+        }
+      ]
     },
     "node_modules/capture-exit": {
       "version": "2.0.0",
@@ -8739,9 +8749,9 @@
       "dev": true
     },
     "caniuse-lite": {
-      "version": "1.0.30001223",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001223.tgz",
-      "integrity": "sha512-k/RYs6zc/fjbxTjaWZemeSmOjO0JJV+KguOBA3NwPup8uzxM1cMhR2BD9XmO86GuqaqTCO8CgkgH9Rz//vdDiA==",
+      "version": "1.0.30001425",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001425.tgz",
+      "integrity": "sha512-/pzFv0OmNG6W0ym80P3NtapU0QEiDS3VuYAZMGoLLqiC7f6FJFe1MjpQDREGApeenD9wloeytmVDj+JLXPC6qw==",
       "dev": true
     },
     "capture-exit": {

package.json

@@ -14,11 +14,11 @@
   },
   "homepage": "https://github.com/TheOdinProject/javascript-exercises#readme",
   "devDependencies": {
-    "jest": "^26.6.3",
-    "jest-cli": "^26.6.3",
     "eslint": "^7.26.0",
     "eslint-config-airbnb-base": "^14.2.1",
-    "eslint-plugin-import": "^2.22.1"
+    "eslint-plugin-import": "^2.22.1",
+    "jest": "^26.6.3",
+    "jest-cli": "^26.6.3"
   },
   "scripts": {
     "test": "jest"