tzonglian · tzonglian · Aug 11, 2020 · Aug 11, 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)
 
+let votingAge;
 
+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)
 
+//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 weekend = 2;
+const vacation_weekend = 3;
+let vacation = true;
 
+if (vacation){
+    weekend = vacation_weekend;
+}
 
+//DO DIFFERENT
 
 //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 
 
 
-
+const arrowFunction = (a,b) => {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 
 
 
+const arrowFunction2 = (humanAge) => {humanAge * 7};
+
 
 
 
@@ -49,8 +63,37 @@
 
 // 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
 
-
-
+let dogAge;
+let dogWeight;
+
+function dogFeeder(dogAge,dogWeight) {
+    if (dogAge >= 1 ){
+        {
+            if (dogWeight > 15){
+                return dogWeight*.02;
+            } else if (dogWeight >= 11){
+                return dogWeight*.03;
+            } else if (dogWeight >= 6){
+                return dogWeight*.04;
+            } else {
+                return dogWeight*.05;
+            }
+        }
+    } else {
+            if (dogAge >= (7/12)){
+                return dogWeight*.04;
+            } else if (dogAge >= (4/12)){
+                return dogWeight*.05;
+            } else if (dogAge >= (2/12)){
+                return dogWeight*.1;
+            } else {
+                return null;
+            }
+    }
+
+}
+
+console.log(dogFeeder(1,15));
 
 
 /************************************************************** Task 4 **************************************************************/
@@ -60,29 +103,62 @@
 // 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 
 
-
-
+
+function compPlays(){
+    let roboChoice = Math.random();
+
+    if (roboChoice < .33) {
+        roboChoice = "rock";
+    } else if (roboChoice < .66 ) {
+        roboChoice = "paper";
+    } else {
+        roboChoice = "scissors";
+}
+    return roboChoice;
+}
+
+function rockPaperScissors(choice) {
+    const roboChoice = compPlays();
+
+    if (choice === roboChoice){
+        return "Tie."
+    }
+    else if (choice === "rock" && roboChoice === "scissors" ||
+        choice === "scissors" && roboChoice === "paper" ||
+        choice === "paper" && roboChoice === "rock") {
+            return "You won.";
+    } else {
+        return "You lost.";
+    }
+}
+
 
 /************************************************************** Task 5 **************************************************************/
 //Metric Converter
 //a. KM to Miles - should take the number of kilometers and convert it to the equal number of miles
 
 
 
+const arrowFunction3 = (distance) => distance * 0.62137119224;
 
 
 //b. Feet to CM - should take the number of feet and convert it to the equal number of centimeters
 
 
-
+const arrowFunction4 = (length) => length*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`
-
 
+function annoyingSong(bottleNum) {
+    while (bottleNum > 0) {
+        console.log(`${bottleNum} bottles of soda on the wall, ${bottleNum} bottles of soda, take one down pass it around ${bottleNum-1} bottles of soda on the wall`);
+        bottleNum--;
+    }
+}
 
 
 
@@ -94,9 +170,20 @@
 //70s should be Cs 
 //60s should be D 
 //and anything below 60 should be F
-
 
-
+function letterGrade(grade) {
+    if (grade >= 90) {
+        return "A";
+    } else if (grade >=80){
+        return "B";
+    } else if (grade >=70){
+        return "C";
+    } else if (grade >=60){
+        return "D";
+    } else{
+        return "F";
+    }
+}
 
 
 /************************************************************** Stretch **************************************************************/
@@ -112,7 +199,37 @@
 //Take Rock, Paper, Sissors further
 //update your rock papers sissors code below to take a prompt from a user using the window object
 
-
+function compPlays(){
+    let roboChoice = Math.random();
+
+    if (roboChoice < .33) {
+        roboChoice = "rock";
+    } else if (roboChoice < .66 ) {
+        roboChoice = "paper";
+    } else {
+        roboChoice = "scissors";
+}
+    return roboChoice;
+}
+
+let choice = prompt("Choose: rock, paper, or scissors");
+
+function updated_rockPaperScissors(choice) {
+    const roboChoice = compPlays();
+
+    if (choice === roboChoice){
+        return "Tie."
+    }
+    else if (choice === "rock" && roboChoice === "scissors" ||
+        choice === "scissors" && roboChoice === "paper" ||
+        choice === "paper" && roboChoice === "rock") {
+            return "You won.";
+    } else {
+        return "You lost.";
+    }
+}
+
+console.log(updated_rockPaperScissors(choice));