V1 HW CH6

Author: remidevelops

errors-and-debugging/exercises/Debugging1stSyntaxError.js

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

errors-and-debugging/exercises/DebuggingLogicErrors1.js

@@ -29,4 +29,28 @@ if (launchReady) {
    console.log('Liftoff!');
 } else {
    console.log('Launch scrubbed.');
-}
+}
+
+//program runs no errors shown when running node DebuggingLogicErrors1.js
+//fuel lvl is lss than 20000 and launch ready is false
+//expected output 'launch scrubbed'
+//current output:
+   /*Fuel level cleared.
+10, 9, 8...
+Fed parrot...
+6, 5, 4...
+Ignition...
+3, 2, 1...
+Liftoff!
+*/
+
+/*  SOLUTION FROM TEXTBOOK TO COMPARE TO MY RESULTS
+The shuttle should not have launched. However, the messages to the console tell a different story. Without any changes, the original code outputs:
+
+  ```console
+  WARNING: Insufficient fuel!
+  Crew & computer cleared.
+  10, 9, 8, 7, 6, 5, 4, 3, 2, 1...
+  Liftoff!
+  ```
+  */

errors-and-debugging/exercises/DebuggingLogicErrors2.js

@@ -3,6 +3,7 @@
 // Add console.log(launchReady) after this block, then run the program.
 
 //Given the fuelLevel value, should launchReady be true or false after the check?  Is the program behaving as expected?
+//FALSE + THE PROGRAM IS NOT RUNNING AS EXPECTED
 
 let launchReady = false;
 let fuelLevel = 17000;
@@ -15,7 +16,8 @@ if (fuelLevel >= 20000) {
 } else {
    console.log('WARNING: Insufficient fuel!');
    launchReady = false;
-}
+} 
+console.log(launchReady);
 
 // if (crewStatus && computerStatus === 'green'){
 //    console.log('Crew & computer cleared.');
@@ -30,4 +32,5 @@ if (fuelLevel >= 20000) {
 //    console.log('Liftoff!');
 // } else {
 //    console.log('Launch scrubbed.');
-// }
+// }
+

errors-and-debugging/exercises/DebuggingLogicErrors3.js

@@ -4,6 +4,7 @@
 
 // Given the values for crewStatus and computerStatus, should launchReady be true or false after the check?  
 // Is the program behaving as expected?
+//CREWSTATUS & COMPUTERSTATUS ARE  TRUE BUT THE OUTPUT IS NOT EXPECTED BECAUSE LAUNCHREADY IS STILL FALSE
 
 let launchReady = false;
 // let fuelLevel = 17000;
@@ -25,10 +26,11 @@ if (crewStatus && computerStatus === 'green'){
    console.log('WARNING: Crew or computer not ready!');
    launchReady = false;
 }
-
+console.log(launchReady);
 // if (launchReady) {
 //    console.log('10, 9, 8, 7, 6, 5, 4, 3, 2, 1...');
 //    console.log('Liftoff!');
 // } else {
 //    console.log('Launch scrubbed.');
-// }
+// }
+

errors-and-debugging/exercises/DebuggingLogicErrors4.js

@@ -3,6 +3,7 @@
 
 // Given the values for fuelLevel, crewStatus and computerStatus, should launchReady be true or false?
 // Is the program behaving as expected?
+//IF PROGRAM IS ONLY DEPENDANT ON CREWSTATUS AND COMPUTER STATUS LAUNCH OUTPUT WOULD BE EXPECTED RESULT BUT FUELLEVEL IS FALSE AND EXPECTED OUTPUT IS NOT CORRECT.
 
 let launchReady = false;
 let fuelLevel = 17000;
@@ -34,4 +35,5 @@ console.log("launchReady = ", launchReady);
 //    console.log('Liftoff!');
 // } else {
 //    console.log('Launch scrubbed.');
-// }
+// }
+

errors-and-debugging/exercises/DebuggingLogicErrors5.js

@@ -2,27 +2,31 @@
 // Since the issue is with launchReady, ONE way to fix the logic error is to use a different variable to store the fuel check result. 
 // Refactor the code to do this. Verify that your change works by updating the console.log statements.
 
-let launchReady = false;
+let launchReady = false;//dont change
 let fuelLevel = 17000;
 let crewStatus = true;
 let computerStatus = 'green';
 
-if (fuelLevel >= 20000) {
+if (launchReady === true && fuelLevel >= 20000) {
    console.log('Fuel level cleared.');
-   launchReady = true;
+   
 } else {
    console.log('WARNING: Insufficient fuel!');
-   launchReady = false;
 }
 
 console.log("launchReady = ", launchReady);
 
-if (crewStatus && computerStatus === 'green'){
+if (launchReady === true && crewStatus && computerStatus === 'green'){
    console.log('Crew & computer cleared.');
-   launchReady = true;
 } else {
    console.log('WARNING: Crew or computer not ready!');
-   launchReady = false;
 }
 
-console.log("launchReady = ", launchReady);
+console.log("launchReady = ", launchReady);
+
+if (launchReady === true && crewStatus && computerStatus === 'green') {
+      console.log("10, 9, 8, 7, 6, 5, 4, 3, 2, 1...");
+      console.log("Liftoff!");
+} else {
+      console.log("Launch scrubbed");
+}

errors-and-debugging/exercises/DebuggingRuntimeErrors1.js

@@ -4,10 +4,12 @@
 let launchReady = false;
 let fuelLevel = 17000;
 
-if (fuellevel >= 20000) {
+if (fuelLevel >= 20000) {//lowercase instead of camel case?
    console.log('Fuel level cleared.');
    launchReady = true;
 } else {
    console.log('WARNING: Insufficient fuel!');
    launchReady = false;
-}
+}
+
+//fuel level is not defined

errors-and-debugging/exercises/DebuggingRuntimeErrors2.js

@@ -14,7 +14,7 @@ if (launchReady) {
    console.log("Fed parrot...");
    console.log("6, 5, 4...");
    console.log("Ignition...");
-   consoul.log("3, 2, 1...");
+   console.log("3, 2, 1...");//CONSOUL!??
    console.log("Liftoff!");
 } else {
    console.log("Launch scrubbed.");

errors-and-debugging/exercises/DebuggingSyntaxErrors2.js

@@ -8,7 +8,7 @@ let launchReady = false;
 let crewStatus = true;
 let computerStatus = 'green';
 
-if (crewStatus &&& computerStatus === 'green'){
+if (crewStatus && computerStatus === 'green'){// 3 & SIGNS??
    console.log('Crew & computer cleared.');
    launchReady = true;
 } else {
@@ -17,7 +17,7 @@ if (crewStatus &&& computerStatus === 'green'){
 }
 
 if (launchReady) {
-   console.log(("10, 9, 8, 7, 6, 5, 4, 3, 2, 1...");
+   console.log(("10, 9, 8, 7, 6, 5, 4, 3, 2, 1..."));//MISSING ENDING PARENTHESIS
    console.log("Fed parrot...");
    console.log("Ignition...");
    console.log("Liftoff!");