Robby DeRouin Mod 1 Prework

day_1/exercises/booleans.js

@@ -1,6 +1,6 @@
 /*
 In the exercises below, write your own code where indicated
-to achieve the desired result. 
+to achieve the desired result.
 
 A few are done for you already.
 
@@ -18,7 +18,16 @@ console.log(typeof (1 == 1));
 console.log(1 == 2);
 
 // example: log to the console the result of 7 is not equal to 2:
-console.log(/*your code here*/);
+console.log(7 > 2);
 
 // example: log to the console the result of "hello" is equal to "Hello":
-
+console.log("hello" == "Hello")
+
+/*robertsmacbookpro@Roberts-MacBook-Pro exercises % node booleans.js
+boolean
+boolean
+false
+true
+false
+robertsmacbookpro@Roberts-MacBook-Pro exercises %
+*/

day_1/exercises/concatenation.js

@@ -1,6 +1,6 @@
 /*
 In the exercises below, write your own code where indicated
-to achieve the desired result. 
+to achieve the desired result.
 
 A few are completed for you, to provide an example.
 
@@ -14,8 +14,8 @@ var team = "Chudley Cannons";
 
 console.log("The " + team + " are " + name + "'s favorite Quidditch team");
 
-// What happens if you include other data types when you use concatination? What data type is logged after we run this code?
-// ANSWER to question on line 17: 
+// What happens if you include other data types when you use concatination? What data type is logged after we run this code? My zoo has 7 unicorns!
+// ANSWER to question on line 17:
 
 var number = 7;
 var creatures = "unicorns";
@@ -27,13 +27,18 @@ console.log("My zoo has " + number + " " + creatures + "!")
 var speedy = "quick red fox";
 var slowPoke = "lazy brown dog";
 
-console.log(/*YOUR CODE HERE*/);
+console.log("The " + speedy + " jumped over the " + slowPoke + ".");
 
 // Write code that combines the variables below into a string that
 // reads "In a predictable result, the tortoise beat the hare!"
 // Note that we are omitting the var keyword below, because we are re-assigning the variables
 
-slowPoke = "tortoise";
-speedy = "hare";
+var sloweyPokey = "tortoise";
+var speedster = "hare";
 
- // YOUR CODE HERE
+console.log("In a predictable result, the " + sloweyPokey + " beat the " + speedster +"!")
+
+/* The Chudley Cannons are Ron's favorite Quidditch team
+My zoo has 7 unicorns!
+The quick red fox jumped over the lazy brown dog.
+In a predictable result, the tortoise beat the hare!*/

day_1/exercises/numbers.js

@@ -8,18 +8,35 @@ file from your terminal with the command `node day_1/exercises/numbers.js`
 console.log(2 + 2);
 
 // log the result of 7 subtracted from 83 console:
-console.log(/*YOUR CODE HERE*/);
+console.log(83 - 7);
 
 // log the result of 6 multiplied by 53 to the console:
-// YOUR CODE HERE
+console.log(6 * 53)
 
 // log the result of 20 divided by 4 to console:
-// YOUR CODE HERE
+console.log(20 / 4)
 
 // log the result of the modulo of 10 into 54:
-// YOUR CODE HERE
+console.log(10 % 54)
 
 // log the total number of snacks to the console, using the variables below:
 var healthySnackCount = 7;
 var junkFoodSnackCount = 4;
-// YOUR CODE HERE
+console.log(healthySnackCount + junkFoodSnackCount)
+
+/*robertsmacbookpro@Roberts-MacBook-Pro day_1 % pwd
+/Users/robertsmacbookpro/turing/0module/frontend-mod-1-prework/day_1
+robertsmacbookpro@Roberts-MacBook-Pro day_1 % ls
+README.md	exercises	questions.md
+robertsmacbookpro@Roberts-MacBook-Pro day_1 % cd exercises
+robertsmacbookpro@Roberts-MacBook-Pro exercises % ls
+booleans.js		numbers.js		variables.js
+concatenation.js	strings.js
+robertsmacbookpro@Roberts-MacBook-Pro exercises % node numbers.js
+4
+76
+318
+5
+10
+11
+*/

day_1/exercises/strings.js

@@ -8,10 +8,20 @@ file from your terminal with the command `node day_1/exercises/strings.js`
 console.log("Alan Turing");
 
 // Write code below to log `Welcome to Turing!` in the console:
-console.log(/*YOUR CODE HERE*/);
+console.log("Robert DeRouin");
 
 // Write code below to log `99 bottles of pop on the wall...`:
-// YOUR CODE HERE
+console.log("99 bottles of pop on the wall...")
 
 //Write code below to log one line from your favorite song or movie:
-// YOUR CODE HERE
+console.log("Open the pod bay doors HAL!")
+
+/*robertsmacbookpro@Roberts-MacBook-Pro exercises % ls
+booleans.js		numbers.js		variables.js
+concatenation.js	strings.js
+robertsmacbookpro@Roberts-MacBook-Pro exercises % node strings.js
+Alan Turing
+Robert DeRouin
+99 bottles of pop on the wall...
+Open the pod bay doors HAL!
+robertsmacbookpro@Roberts-MacBook-Pro exercises % */

day_1/exercises/variables.js

@@ -9,19 +9,23 @@ console.log(name);
 // Write code below to assign the string 'Dobby' to a variable and
 // log that variable to the console:
 var houseElf = "Dobby";
-// YOUR CODE HERE
+console.log(houseElf);
 
 // Write code below to save the string 'Harry Potter must not return to Hogwarts!'
-// log that variable to the console:
-// YOUR CODE HERE
+var dobbyThreat = "Harry Potter must not return to Hogwarts!";
+console.log(dobbyThreat);
 
 // example: Write code below to add 2 to the variable `students` and
 // log the result:
 var students = 22;
-// YOUR CODE HERE
-console.log(students);
+console.log(students + 2);
 
 // Write the code below to subtract 2 students from the `students` variable and
-// log the result:
-// YOUR CODE HERE
-console.log(students);
+console.log(students - 2);
+
+/*Harry Potter
+Dobby
+Harry Potter must not return to Hogwarts!
+24
+20
+*/

day_1/questions.md

@@ -2,12 +2,29 @@
 
 1. How would you log the string `"Hello World!"` to the console?
 
+console.log("Hello World!");
+
 1. What is the character you would use to indicate comments in a JavaScript file?
 
+//For single line comments//
+/*For multi line comments*/
+
 1. Explain the difference between an integer and a floating-point number?
 
+Integers are whole numbers, negative or positive or 0.
+
+Floating-point Numbers have decimal places.
+
 1. In the space below, create a variable `animal` that holds the string `"zebra"`.
 
+var animal = "zebra"
+
 1. How would you log the string `"zebra"` using the variable that you created above?
 
+console.log(animal);
+
 1. What is concatenation? Use concatenation to log a sentence to the console using the variable `animal`.
+
+Concatenation is the operation of joining character strings end-to-end.
+
+console.log(animal + " have black and white stripes!");

day_2/array_methods.md

@@ -0,0 +1,107 @@
+Constructor
+Array
+Creates a new Array object.
+
+Static Properties
+get Array[]
+The constructor function is used to create derived objects.
+
+Array.from()
+Creates a new Array instance from an array-like or iterable object.
+
+Array.isArray()
+Returns true if the argument is an array, or false otherwise.
+
+Array.of()
+Creates a new Array instance with a variable number of arguments, regardless of number or type of the arguments.
+
+Array.prototype.concat()
+Returns a new array that is this array joined with other array(s) and/or value(s).
+
+Array.prototype.copyWithin()
+Copies a sequence of array elements within the array.
+
+Array.prototype.entries()
+Returns a new Array Iterator object that contains the key/value pairs for each index in the array.
+
+Array.prototype.every()
+Returns true if every element in this array satisfies the testing function.
+
+Array.prototype.fill()
+Fills all the elements of an array from a start index to an end index with a static value.
+
+Array.prototype.filter()
+Returns a new array containing all elements of the calling array for which the provided filtering function returns true.
+
+Array.prototype.find()
+Returns the found element in the array, if some element in the array satisfies the testing function, or undefined if not found.
+
+Array.prototype.findIndex()
+Returns the found index in the array, if an element in the array satisfies the testing function, or -1 if not found.
+
+Array.prototype.forEach()
+Calls a function for each element in the array.
+
+Array.prototype.includes()
+Determines whether the array contains a value, returning true or false as appropriate.
+
+Array.prototype.indexOf()
+Returns the first (least) index of an element within the array equal to an element, or -1 if none is found.
+
+Array.prototype.join()
+Joins all elements of an array into a string.
+
+Array.prototype.keys()
+Returns a new Array Iterator that contains the keys for each index in the array.
+
+Array.prototype.lastIndexOf()
+Returns the last (greatest) index of an element within the array equal to an element, or -1 if none is found.
+
+Array.prototype.map()
+Returns a new array containing the results of calling a function on every element in this array.
+
+Array.prototype.pop()
+Removes the last element from an array and returns that element.
+
+Array.prototype.push()
+Adds one or more elements to the end of an array, and returns the new length of the
+array.
+
+Array.prototype.reduce()
+Apply a function against an accumulator and each value of the array (from left-to-right) as to reduce it to a single value.
+
+Array.prototype.reduceRight()
+Apply a function against an accumulator> and each value of the array (from right-to-left) as to reduce it to a single value.
+
+Array.prototype.reverse()
+Reverses the order of the elements of an array in place. (First becomes the last, last becomes first.)
+
+Array.prototype.shift()
+Removes the first element from an array and returns that element.
+
+Array.prototype.slice()
+Extracts a section of the calling array and returns a new array.
+
+Array.prototype.some()
+Returns true if at least one element in this array satisfies the provided testing function.
+
+Array.prototype.sort()
+Sorts the elements of an array in place and returns the array.
+
+Array.prototype.splice()
+Adds and/or removes elements from an array.
+
+Array.prototype.toLocaleString()
+Returns a localized string representing the array and its elements. Overrides the Object.prototype.toLocaleString() method.
+
+Array.prototype.toString()
+Returns a string representing the array and its elements. Overrides the Object.prototype.toString() method.
+
+Array.prototype.unshift()
+Adds one or more elements to the front of an array, and returns the new length of the array.
+
+Array.prototype.values()
+Returns a new Array Iterator object that contains the values for each index in the array.
+
+Array.prototype[@@iterator]()
+Returns a new Array Iterator object that contains the values for each index in the array.

day_2/exercises/array.js

@@ -10,36 +10,42 @@ var animals = ["Zebra", "Giraffe", "Elephant"];
 console.log(animals);
 
 // Declare a variable that will store an an array of at least 3 foods (strings)
-// YOUR CODE HERE
+var foods = ["Corn", "Apple", "Tomato"];
+console.log(foods);
 
 // example: Write code below that will log the number of elements in array of
 // animals from above.
 console.log(animals.length);
 
 // Write code below that will log the number of elements in the array of
 // foods from above.
-// YOUR CODE HERE
+console.log(foods.length);
 
 // Write code below that will log "Zebra" from the animals array
-// YOUR CODE HERE
+var itemZero;
+itemZero = animals[0];
+console.log(itemZero);
 
 // Write code using bracket notation that will log the first item in the animals array
-// YOUR CODE HERE
+console.log(animals[0]);
 
 // Write code using bracket notation that will log the last item in the animals array
-// YOUR CODE HERE
+console.log(animals[2]);
 
 // Write code using bracket notation that will reassign the last item in the animals
 // array to "Gorilla"
-// YOUR CODE HERE
+animals[2] = "Gorilla";
+console.log(animals);
 
 // Write code below that will log the last item from the foods array.
-// YOUR CODE HERE
+console.log(foods[2]);
 
 // Write code below that uses a method to add "lion" to the animals array and
 // log the changed array to verify "lion" has been added
-// YOUR CODE HERE
+animals.push("lion");
+console.log(animals);
 
 // Write code below that removes the last item of food from the foods array and
 // log the cahnged array to verify that item has been removed
-// YOUR CODE HERE
+foods.pop();
+console.log(foods);