Chapter 5 Exercises

Tinxte · Tinxte · commit 4df2c4f38473 · 2024-01-10T20:17:55.000-06:00
diff --git a/booleans-and-conditionals/exercises/part-1.js b/booleans-and-conditionals/exercises/part-1.js
@@ -1,5 +1,12 @@
 // Declare and initialize the variables for exercise 1 here:
 
+let engineIndicatorLight = "red blinking";
+let spaceSuitsOn = true;
+let shuttleCabinReady = true;
+let crewStatus = spaceSuitsOn && shuttleCabinReady;
+let computerStatusCode = 200;
+let shuttleSpeed = 15000;
+
 // BEFORE running the code, predict what will be printed to the console by the following statements:
 
 if (engineIndicatorLight === "green") {
diff --git a/booleans-and-conditionals/exercises/part-2.js b/booleans-and-conditionals/exercises/part-2.js
@@ -9,13 +9,33 @@ let shuttleSpeed = 15000;
 
 // a) If crewStatus is true, print "Crew Ready" else print "Crew Not Ready".
 
+if (crewStatus === true) {
+    console.log("Crew Ready");
+}
+    else {
+        console.log("Crew Not Ready");
+}
 
 // b) If computerStatusCode is 200, print "Please stand by. Computer is rebooting." Else if computerStatusCode is 400, print "Success! Computer online." Else print "ALERT: Computer offline!"
 
+if (computerStatusCode === 200) {
+    console.log("Please stand by. Computer is rebooting.");
+} else if (computerStatusCode === 400) {
+    console.log("Success! Computer online.");
+} else {
+    console.log("ALERT: Computer offline!");
+}
 
 // c) If shuttleSpeed is > 17,500, print "ALERT: Escape velocity reached!" Else if shuttleSpeed is < 8000, print "ALERT: Cannot maintain orbit!" Else print "Stable speed".
 
+if (shuttleSpeed > 17500) {
+    console.log("ALERT: Escape velocity reached!");
+} else if (shuttleSpeed < 8000) {
+    console.log("ALERT: Cannot maintain orbit!");
+} else {
+    console.log("Stable speed");
+}
 
 // 4) PREDICT: Do the code blocks shown in the 'predict.txt' file produce the same result?
 
-console.log(/* "Yes" or "No" */);
+console.log("Yes");
diff --git a/booleans-and-conditionals/exercises/part-3.js b/booleans-and-conditionals/exercises/part-3.js
@@ -1,5 +1,5 @@
-let engineIndicatorLight = 'red blinking';
-let fuelLevel = 21000;
+let engineIndicatorLight = 'NOT red blinking';
+let fuelLevel = 5000;
 let engineTemperature = 1200;
 
 /* 5) Implement the following checks using if/else if/else statements:
@@ -18,7 +18,25 @@ f) Otherwise, print "Fuel and engine status pending..." */
 
 // Code 5a - 5f here:
 
+if (fuelLevel < 1000 || engineTemperature > 3500 || engineIndicatorLight === 'red blinking'){
+    console.log("ENGINE FAILURE EMINENT!")
+} else if (fuelLevel <= 5000 || engineTemperature > 2500) {
+    console.log("Check fuel level. Engines running hot.");
+} else if (fuelLevel > 20000 && engineTemperature <= 2500) {
+    console.log("Full tank. Engines good.");
+} else if (fuelLevel > 10000 && engineTemperature <= 2500) {
+    console.log("Fuel level above 50%. Engines good.");
+} else if (fuelLevel > 5000 && engineTemperature <= 2500) {
+    console.log("Fuel level above 25%. Engines good.");
+} else console.log("Fuel and engine status pending...");
+
 // 6) a) Create the variable commandOverride, and set it to be true or false. If commandOverride is false, then the shuttle should only launch if the fuel and engine check are OK. If commandOverride is true, then the shuttle will launch regardless of the fuel and engine status.
 
+let commandOverride = false
+
 /* 6) b) Code the following if/else check:
 If fuelLevel is above 20000 AND engineIndicatorLight is NOT red blinking OR commandOverride is true print "Cleared to launch!" Else print "Launch scrubbed!" */
+
+if ((fuelLevel > 20000) && (engineIndicatorLight !== "red blinking") || (commandOverride = true)) {
+    console.log("Cleared to launch!");
+} else console.log("Launch scrubbed!");
