week3 exercises done

iakancay · iakancay · commit c29a69183110 · 2022-05-26T16:05:44.000+02:00
diff --git a/Week2/practice-exercises/3-recipe-card.js b/Week2/practice-exercises/3-recipe-card.js
@@ -17,14 +17,15 @@ const recipe={
     ingredients:["4 eggs","2 strips of bacon","1 tsp salt/pepper"]
 };
 for(let property in recipe){
-    if(property=='title'){
+    if(property==='title'){
         console.log(`Meal name:${recipe.title}`);
     }
-    if(property=='servings'){
+    if(property==='servings'){
         console.log(`Serves:${recipe.servings}`);
     }
-    if(property=='ingredients'){
-        console.log(`Ingredients:${recipe.ingredients}`);
+    if(property==='ingredients'){
+        console.log(`Ingredients:${recipe.ingredients} `);
+        console.log(recipe.ingredients);
     }
 }
 
diff --git a/Week3/prep-exercises/1-traffic-light/traffic-light.js b/Week3/prep-exercises/1-traffic-light/traffic-light.js
@@ -6,24 +6,28 @@
  */
 
 function getCurrentState(trafficLight) {
+  return trafficLight.possibleStates[trafficLight.stateIndex];
   // TODO
   // Should return the current state (i.e. colour) of the `trafficLight`
   // object passed as a parameter.
 }
 
 function getNextStateIndex(trafficLight) {
+  if(trafficLight.stateIndex===0){
+    trafficLight.stateIndex=1;
+  }else if(trafficLight.stateIndex===1){
+    trafficLight.stateIndex=2;
+  }else
+  {trafficLight.stateIndex=0;}
+  return trafficLight.stateIndex;
   // 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
 }
 
-// This function loops for the number of seconds specified by the `secs`
-// parameter and then returns.
-// IMPORTANT: This is not the recommended way to implement 'waiting' in
-// JavaScript. You will learn better ways of doing this when you learn about
-// asynchronous code.
+
 function waitSync(secs) {
   const start = Date.now();
   while (Date.now() - start < secs * 1000) {
diff --git a/Week3/prep-exercises/2-experiments/index.js b/Week3/prep-exercises/2-experiments/index.js
@@ -2,6 +2,13 @@
 
 function runExperiment(sampleSize) {
   const valueCounts = [0, 0, 0, 0, 0, 0];
+  
+  for(let i=0; i<sampleSize; i++){
+    let x=Math.floor(Math.random()*6+1);
+    let numberArray=[1,2,3,4,5,6];
+          valueCounts[numberArray.findIndex(element=>element===x)]++;
+   
+  }
 
   // TODO
   // Write a for loop that iterates `sampleSize` times (sampleSize is a number).
@@ -14,6 +21,9 @@ function runExperiment(sampleSize) {
   //    element for value 2, etc.
 
   const results = [];
+  for(let valueCount of valueCounts){
+    results.push(((valueCount/sampleSize)*100).toFixed(2));
+  }
 
   // TODO
   // Write a for..of loop for the `valueCounts` array created in the previous
@@ -24,12 +34,17 @@ function runExperiment(sampleSize) {
   // 2. Convert the computed percentage to a number string with a precision of
   //    two decimals, e.g. '14.60'.
   // 3. Then push that string onto the `results` array.
-
+  console.log(results);
   return results;
+  
 }
 
 function main() {
   const sampleSizes = [100, 1000, 1000000];
+for(let sampleSize of sampleSizes){
+  runExperiment(sampleSize);
+  
+}
 
   // TODO
   // Write a for..of loop that calls the `runExperiment()` function for each

Original file line number	Diff line number	Diff line change
`@@ -17,14 +17,15 @@ const recipe={`
`17`	`17`	`ingredients:["4 eggs","2 strips of bacon","1 tsp salt/pepper"]`
`18`	`18`	`};`
`19`	`19`	`for(let property in recipe){`
`20`		`- if(property=='title'){`
	`20`	`+ if(property==='title'){`
`21`	`21`	console.log(`Meal name:${recipe.title}`);
`22`	`22`	`}`
`23`		`- if(property=='servings'){`
	`23`	`+ if(property==='servings'){`
`24`	`24`	console.log(`Serves:${recipe.servings}`);
`25`	`25`	`}`
`26`		`- if(property=='ingredients'){`
`27`		- console.log(`Ingredients:${recipe.ingredients}`);
	`26`	`+ if(property==='ingredients'){`
	`27`	+ console.log(`Ingredients:${recipe.ingredients} `);
	`28`	`+ console.log(recipe.ingredients);`
`28`	`29`	`}`
`29`	`30`	`}`
`30`	`31`