shuttle launch

Author: broadwaylights

booleans-and-conditionals/studio/data-variables-conditionals.js

@@ -1,15 +1,72 @@
 // Initialize Variables below
 
-// add logic below to verify total number of astronauts for shuttle launch does not exceed 7
 
-// add logic below to verify all astronauts are ready
 
-// add logic below to verify the total mass does not exceed the maximum limit of 850000
+let date = "Monday 2019-03-18";
+let time = "10:05:34 AM";
+let astronautCount = 7;
+let astronautStatus = "ready";
+let averageAstronautMassKg = 80.7;
+let crewMassKg = (astronautCount * averageAstronautMassKg);
+let fuelMassKg = 760000;
+let shuttleMassKg = 74842.31;
+let totalMassKg = crewMassKg + fuelMassKg + shuttleMassKg;
+let maximumMassLimit = 850000;
+let fuelTempCelsius = -225;
+let minimumFuelTemp = -300;
+let maximumFuelTemp = -150;
+let fuelLevel = "100%";
+let weatherStatus = "clear";
+let preparedForLiftOff = true;
 
+// add logic below to verify total number of astronauts for shuttle launch does not exceed 7
+if (astronautCount > 7) {
+    preparedForLiftOff = false;
+    console.log("Security alert! Kick " + (astronautCount - 7) + " astronauts off to launch!");
+}
+// add logic below to verify all astronauts are ready
+if (astronautStatus !== "ready") {
+    preparedForLiftOff = false;
+    console.log("Somehow, one or more astronaut is not ready????");
+}
+// add logic below to verify the total mass does not exceed the maximum limit of 850000
+if (totalMassKg > maximumMassLimit) {
+    console.log("Mass exceeds maximum mass limit!");
+    preparedForLiftOff = false;
+}
 // add logic below to verify the fuel temperature is within the appropriate range of -150 and -300
-
+if (fuelTempCelsius < minimumFuelTemp || fuelTempCelsius > maximumFuelTemp) {
+    console.log("Fuel temperature is not in range - DO NOT LAUNCH!");
+    preparedForLiftOff = false;
+}
 // add logic below to verify the fuel level is at 100%
-
+if (fuelLevel !== "100%") {
+    preparedForLiftOff = false;
+    console.log("Please refuel before launch.");
+}
 // add logic below to verify the weather status is clear
-
+if (weatherStatus !== "clear") {
+    console.log("Weather is not clear.");
+    preparedForLiftOff = false;
+}
 // Verify shuttle launch can proceed based on above conditions
+if (!preparedForLiftOff) {
+    console.log("ABORT MISSION!");
+} else {
+    console.log(`
+        All systems are a go! Initiating space shuttle launch sequence.
+        ---------------------------------------------------------------
+        Date: ${date}
+        Time: ${time}
+        Astronaut Count: ${astronautCount}
+        Crew Mass: ${crewMassKg} kg
+        Fuel Mass: ${fuelMassKg} kg
+        Shuttle Mass: ${shuttleMassKg} kg
+        Total Mass: ${totalMassKg} kg
+        Fuel Temperature: ${fuelTempCelsius} C
+        Weather Status: ${weatherStatus}
+        ---------------------------------------------------------------
+        Have a safe trip astronauts!`);
+}
+
+

errors-and-debugging/exercises/Debugging1stSyntaxError.js

@@ -4,7 +4,7 @@
 let launchReady = false;
 let fuelLevel = 17000;
 
-if (fuelLevel >= 20000 {
+if (fuelLevel >= 20000) {
    console.log('Fuel level cleared.');
    launchReady = true;
 } else {

errors-and-debugging/exercises/DebuggingLogicErrors2.js

@@ -14,7 +14,7 @@ if (fuelLevel >= 20000) {
    launchReady = true;
 } else {
    console.log('WARNING: Insufficient fuel!');
-   launchReady = false;
+   launchReady = false; console.log(launchReady)
 }
 
 // if (crewStatus && computerStatus === 'green'){