revised exercises

Author: timwebdev1

arrays/exercises/part-five-arrays.js

@@ -1,20 +1,26 @@
 let str = 'In space, no one can hear you code.';
 let arr = ['B', 'n', 'n', 5];
+console.log(str);
+console.log(arr);
+console.log('------');
 
 //1) Use the split method on the string to identify the purpose of the parameter inside the ().
 console.log(str.split());
 console.log(str.split('e'));
 console.log(str.split(' '));
 console.log(str.split(''));
+console.log('------');
 
 //2) Use the join method on the array to identify the purpose of the parameter inside the ().
 console.log(arr.join());
 console.log(arr.join('a'));
 console.log(arr.join(' '));
 console.log(arr.join(''));
+console.log('------');
 
 //3) Do split or join change the original string/array?
-console.log('no');
+console.log('No, but they are printed as alterations of the string/array.');
+console.log('------');
 
 //4) We can take a comma-separated string and convert it into a modifiable array. Try it! Alphabetize the cargoHold string, and then combine the contents into a new string.
 let cargoHold = "water,space suits,food,plasma sword,batteries";

arrays/exercises/part-four-arrays.js

@@ -1,5 +1,7 @@
 let holdCabinet1 = ['duct tape', 'gum', 3.14, false, 6.022e23];
 let holdCabinet2 = ['orange drink', 'nerf toys', 'camera', 42, 'parsnip'];
+console.log(holdCabinet1);
+console.log(holdCabinet2);
 
 //Explore the methods concat, slice, reverse, and sort to determine which ones alter the original array.
 

arrays/exercises/part-one-arrays.js

@@ -1,9 +1,8 @@
 //Create an array called practiceFile with the following entry: 273.15
 let practiceFile = [273.15];
-
-//Use the bracket notation method to add "42" and "hello" to the array. Add these new items one at a time.  Print the array after each step to confirm the changes.
 console.log(practiceFile);
 
+//Use the bracket notation method to add "42" and "hello" to the array. Add these new items one at a time.  Print the array after each step to confirm the changes.
 practiceFile.push(42);
 console.log(practiceFile);
 

arrays/exercises/part-six-arrays.js

@@ -9,9 +9,10 @@ let element26 = ['iron', 'Fe', 55.85];
 let table = [];
 table.push(element1, element2, element26);
 console.log(table);
+
 //3) Use bracket notation to examine the difference between printing 'table' with one index vs. two indices (table[][]).
 console.log(table[1]);
-console.log(table[1][1]);
+console.log(table[0][1]);
 
 //4) Using bracket notation and the table array, print the mass of element1, the name for element 2 and the symbol for element26.
 console.log(table[0][2]);
@@ -20,7 +21,7 @@ console.log(table[2][1]);
 
 //5) 'table' is an example of a 2-dimensional array. The first “level” contains the element arrays, and the second level holds the name/symbol/mass values. Experiment! Create a 3-dimensional array and print out one entry from each level in the array.
 
-/* I have no idea how to create the third level. Does it split off of an item in another level?
+// /* I have no idea how to create the third level. Does it split off of an item in another level?
 let num1 = [1, 2, 3];
 let color1 = ['red', 'blue'];
 let nothingSpecial1 = ['earth', true, 7];

arrays/exercises/part-three-arrays.js

@@ -1,4 +1,5 @@
 let cargoHold = [1138, 'space suits', 'parrot', 'instruction manual', 'meal packs', 'space tether', '20 meters'];
+console.log(cargoHold);
 
 //Use splice to make the following changes to the cargoHold array. Be sure to print the array after each step to confirm your updates.
 

arrays/exercises/part-two-arrays.js

@@ -1,4 +1,5 @@
 let cargoHold = ['oxygen tanks', 'space suits', 'parrot', 'instruction manual', 'meal packs', 'slinky', 'security blanket'];
+console.log(cargoHold);
 
 //1) Use bracket notation to replace ‘slinky’ with ‘space tether’. Print the array to confirm the change.
 cargoHold[5] = 'space tether';
@@ -18,5 +19,4 @@ cargoHold.unshift(1138);
 console.log(cargoHold);
 
 //5) Use a template literal to print the final array and its length.
-console.log(cargoHold.length);
 console.log(`${cargoHold}, (${cargoHold.length})`)