Completed wk3 Mandatory Q1 - Q3

week-3/2-mandatory/1-oxygen-levels.js

@@ -9,6 +9,13 @@ To be safe, they need to land on the first unamed planet that has Oxygen levels
 Write a function that finds the oxygen level of the first safe planet - Oxygen between 19.5% and 23.5%
 */
 
+/* NOTES
+filter() gives you a new array
+include() gives you a boolean
+every() gives you a boolean
+find() gives you the first value that meets the condition(s)
+*/
+
 function findRightPlanet(oxygenLevelOfPlanet) {
   if (parseFloat(oxygenLevelOfPlanet) > `${19.5}%` && parseFloat(oxygenLevelOfPlanet) < `${23.5}%`) {
     return `${oxygenLevelOfPlanet}%`;
@@ -18,9 +25,14 @@ function findRightPlanet(oxygenLevelOfPlanet) {
 }
 
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
-// find the first element that meets the condition and ends the test (different from filter)
+// find the first element that meets the condition and ends the test (different from filter which gives you a new array)
 function safeLevels(oxygenLevel) {
-  return oxygenLevel.find(findRightPlanet)
+  return oxygenLevel.find(findRightPlanet);
+}
+
+// EK's version - passed
+function safeLevels(oxygen) {
+  return oxygen.find(level => level > "19.5%" && level < "23.5%");
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

week-3/2-mandatory/2-bush-berries.js

@@ -27,6 +27,13 @@ function bushChecker(allBushBerryColours) {
   }
 }
 
+// EK's version - .some function finds if any element is not 'pink'
+function bushChecker(berry) {
+  if (berry.some(color => color !== 'pink')) {
+    return "Toxic! Leave bush alone!";
+  } return "Bush is safe to eat from";
+}
+
 /* ======= TESTS - DO NOT MODIFY ===== */
 
 let bushBerryColours1 = ["pink", "pink", "pink", "neon", "pink", "transparent"]

week-3/2-mandatory/3-space-colonies.js

@@ -8,8 +8,20 @@
   NOTE: don't include any element that is not a "family".
 */
 
-function colonisers() {
+// find elements that include "family" and starts with an "A"
+/* my version failed
+function colonisers(name) {
+  if (name.includes('family') && name.startsWith('A')) {
+  return name;
+  }
+}
+
+console.log(name.filter(colonisers));
+*/
 
+// EK's version modified
+function colonisers(voyagersArr) {
+  return voyagersArr.filter(voyager => voyager.includes('family') && voyager[0] === 'A');
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

week-3/2-mandatory/6-lane-names.js

@@ -4,8 +4,21 @@
   Write a function that will return all street names which contain 'Lane' in their name.
 */
 
-function getLanes() {
+// https://www.youtube.com/watch?v=iOml7u_sAVk
+const streetNames = [
+    "Abchurch Lane",
+    "Adam's Court",
+    "Addle Hill",
+    "Addle Lane",
+    "Alban Highwalk"
+]
+
+function getLanes(streetNames) {
+  let result = streetNames.includes('Lane'); // returns boolean
 
+  if (result === true) {
+    return streetNames;
+  }
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

week-3/2-mandatory/7-password-validator.js

@@ -21,9 +21,9 @@ Expected Result:
 PasswordValidationResult=  [false, false, false, false, true]
 
 */
-
+// https://stackoverflow.com/questions/36097097/password-validate-8-digits-contains-upper-lowercase-and-a-special-character
 function validatePasswords(passwords) {
-
+passwords.length >=5;
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */