petevs · petevs · Aug 18, 2020 · Aug 18, 2020 · Aug 18, 2020 · Aug 18, 2020
diff --git a/index.js b/index.js
@@ -1,33 +1,47 @@
 /************************************************************** Task 1: Warm-up! **************************************************************/
 //Task a: declare a variable called votingAge, console log true if age > 18 (no function required)
 
+const votingAge = 23;
 
+if (votingAge > 18) {
+    console.log(true);
+}
 
 
 
 //Task b: declare a variable and then use a conditional to change the value of that variable based on the value assigned to a second variable (no function required)
 
+let myVar = 3;
+const myVar2 = 8;
 
 
-
+if (myVar < myVar2) {
+    myVar = myVar + myVar2;
+} else {
+    myVar = myVar2;
+};
 
 //Task c: Convert string ("1999") to integer (1999)  (no function required) // hint look up the Number method
 
-
+Number("1999")
 
 
 
 //Task d: Write a function to multiply a*b 
 
-
+function multiply(a,b) {
+    return (a*b);
+}
 
 
 
 /************************************************************** Task 2 **************************************************************/
 //Age in Dog years
 //write a function that takes your age and returns it to you in dog years - they say that 1 human year is equal to seven dog years 
 
-
+function dogYears(age) {
+    return (age * 7);
+}
 
 
 
@@ -50,8 +64,27 @@
 // when you are finished invoke your function with the weight of 15 lbs and the age of 1 year - if your calculations are correct your result should be 0.44999999999999996
 
 
-
-
+function dogFeeder(weight,age) {
+    if (age >= 1) {
+        if (weight <= 5) {
+            return (weight * 0.05);
+        } else if (weight > 5 && weight <= 10) {
+            return (weight * 0.04);
+        } else if (weight > 10 && weight <= 15) {
+            return (weight * 0.03);
+        } else if (weight > 15) {
+            return (weight * 0.02)
+        }
+        } else {
+        if (age > 2/12 && age <= 4/12) {
+            return (weight * 0.10);
+        } else if (age > 4/12 && age <= 7/12){
+            return(weight * 0.05);
+        } else if (age > 7/12 && age < 1){
+            return(weight * 0.04);
+        }
+        }
+}
 
 /************************************************************** Task 4 **************************************************************/
 // Rock, Paper, Sissors
@@ -60,30 +93,78 @@
 // use math.random to determine the computers choice 
 // hint while you can complete this with only conditionals based on strings it may help to equate choice to a number 
 
-
+// if choice is equal to player 2 then tied
+// if choice is 1 and player2 is 2 then lost
+// if choice is 1 and player2 is 3 then won
+// if choice is 2 and player2 is 1 then won
+// if choice is 2 and player2 is 3 then lost
+// if choice is 3 and player2 is 2 then won
+// if choice is 3 and player2 is 1 then lost
+
+
+const rock = 1;
+const paper = 2;
+const scissors = 3;
+const won = "You won!"
+const lost = "You lost!"
+const tied = "You tied, play again!"
+
+function rockPaperScissors(choice) {
+  player2 = Math.round(Math.random()*3);
+  if (choice === player2){
+    return (tied);
+  } 
+  else if (player2 - choice === 1) {
+    return (lost);
+  } 
+  else if (player2 - choice === 2) {
+    return (won);
+  }
+  else if (player2 - choice === -1) {
+    return (won);
+  }
+  else if (player2 - choice === -2) {
+    return (lost);
+  }
+};
+
+
 
 
 /************************************************************** Task 5 **************************************************************/
 //Metric Converter
 //a. KM to Miles - should take the number of kilometers and convert it to the equal number of miles
 
+function kmToMiles(km) {
+    return (km / 1.60934);
+  };
 
+//OR
 
-
+const kmToMiles = (km) => (km/1.60934);
+
 
 //b. Feet to CM - should take the number of feet and convert it to the equal number of centimeters
 
-
+const ftToCM = (ft) => (ft*30.48);
 
 
 
 /************************************************************** Task 6 **************************************************************/
 // 99 bottles of soda on the wall
 // create a function called annoyingSong
 // the function should take a starting number as an argument and count down - at each iteration it should log (number) bottles of soda on the wall, (number) bottles of soda, take one down pass it around (number left over) bottles of soda on the wall`
-
+
+const part1 = " bottles of soda on the wall, ";
+const part2 = " bottles of soda, take one down pass it around ";
+const part3 = " bottles of soda on the wall";
 
 
+function annoyingSong(times) {
+  for(i = times; i>0; i--){
+    console.log(i + part1 + i + part2 + (i-1) + part3)
+  }
+};
 
 
 /************************************************************** Task 7 **************************************************************/
@@ -94,25 +175,80 @@
 //70s should be Cs 
 //60s should be D 
 //and anything below 60 should be F
-
 
-
+function letterGrade(mark) {
+    if (mark >= 90) {
+      return "A";
+    } else if (mark < 90 && mark >= 80) {
+      return "B";
+    } else if (mark >= 70 && mark < 80) {
+      return "C";
+    } else if (mark >= 60 && mark < 70) {
+      return "D";
+    } else if (mark < 60) {
+      return "F";
+    }
+  };
+
 
 
 /************************************************************** Stretch **************************************************************/
 //Create a function that counts the number of vowels within a string. It should handle both capitalized and uncapitalized vowels.
 // Hint - you may need to study tomorrow's traning kit on arrays 
 // try looking up the .includes() method
 
+const vowels = ['a','e','i','o','u'];
 
+function countVowels(sentence) {
+  let count = 0;
+  for (var i = 0; i < sentence.length; i++){
+  if (vowels.includes(sentence.toLowerCase()[i])) {
+    count++;
+  }
+  }
+  return count;
+};
 
 
 
 /************************************************************** Stretch **************************************************************/
 //Take Rock, Paper, Sissors further
 //update your rock papers sissors code below to take a prompt from a user using the window object
 
-
+const won = "You won!"
+const lost = "You lost!"
+const tied = "You tied, play again!"
+
+function rockPaperScissors(choice) {
+  player2 = Math.round(Math.random()*3);
+  if (choice === player2){
+    return (tied);
+  } 
+  else if (player2 - choice === 1) {
+    return (lost);
+  } 
+  else if (player2 - choice === 2) {
+    return (won);
+  }
+  else if (player2 - choice === -1) {
+    return (won);
+  }
+  else if (player2 - choice === -2) {
+    return (lost);
+  }
+};
+
+let userChoice = prompt("rock, paper or scissors?");
+
+if (userChoice === 'rock') {
+  userChoice = 1;
+} else if (userChoice === 'paper') {
+  userChoice = 2;
+} else {
+  userChoice = 3;
+};
+
+rockPaperScissors(userChoice)