week2 prep

AJasem · AJasem · commit 2b96db1f33e5 · 2023-11-11T14:24:55.000+01:00
diff --git a/Week2/prep-exercises/1-traffic-light/traffic-light.js b/Week2/prep-exercises/1-traffic-light/traffic-light.js
@@ -7,16 +7,20 @@
 
 function getCurrentState(trafficLight) {
   // TODO
-  // Should return the current state (i.e. colour) of the `trafficLight`
+  return(trafficLight.possibleStates[trafficLight.stateIndex]);
   // object passed as a parameter.
 }
 
 function getNextStateIndex(trafficLight) {
   // TODO
-  // Return the index of the next state of the `trafficLight` such that:
-  // - if the color is green, it will turn to orange
-  // - if the color is orange, it will turn to red
-  // - if the color is red, it will turn to green
+  
+    let nextIndex = 0;
+    const currentState = getCurrentState(trafficLight);
+    if(currentState === 'green'){
+      return(nextIndex += 1);
+    }else if (currentState === 'orange'){
+      return(nextIndex += 2);
+    }else return (nextIndex)
 }
 
 // This function loops for the number of seconds specified by the `secs`
diff --git a/Week2/prep-exercises/2-experiments/index.js b/Week2/prep-exercises/2-experiments/index.js
@@ -6,7 +6,10 @@ function runExperiment(sampleSize) {
   // TODO
   // Write a for loop that iterates `sampleSize` times (sampleSize is a number).
   // In each loop iteration:
-  //
+       for(let i = 0; i < sampleSize; i++){
+        const randomNum = Math.floor((Math.random()*6) + 1);
+        valueCounts[randomNum-1] += 1; 
+       }
   // 1. Generate a random integer between 1 and 6 (as if throwing a six-sided die).
   // 2. Add `1` to the element of the `valueCount` that corresponds to the random
   //    value from the previous step. Use the first element of `valueCounts`
@@ -16,6 +19,11 @@ function runExperiment(sampleSize) {
   const results = [];
 
   // TODO
+  for(let count of valueCounts){
+  let countPer = ((count / sampleSize)*100).toFixed(2)
+  results.push(countPer);
+  }
+
   // Write a for..of loop for the `valueCounts` array created in the previous
   // loop. In each loop iteration:
   // 1. For each possible value of the die (1-6), compute the percentage of how
@@ -25,13 +33,17 @@ function runExperiment(sampleSize) {
   //    two decimals, e.g. '14.60'.
   // 3. Then push that string onto the `results` array.
 
-  return results;
+  return (results);
 }
 
 function main() {
   const sampleSizes = [100, 1000, 1000000];
 
   // TODO
+  for(let sample of sampleSizes){
+   console.log(runExperiment(sample),sample);
+  }
+
   // Write a for..of loop that calls the `runExperiment()` function for each
   // value of the `sampleSizes` array.
   // Log the results of each experiment as well as the experiment size to the
