checkpoint assessment

week1_ass.purve.js

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+
+Bash (Terminal)
+Assume your present working directory is $ ~/buffy
+Make two directories inside ~/buffy: scoobies and vamps 
+
+> mkdir scoobies
+> mkdir vamps
+
+Make files in scoobies named buffy.txt, giles.txt and angel.txt 
+
+> cd scoobies
+> touch buffy.txt
+> touch giles.txt
+> touch angel.txt
+
+Copy angel.txt into the vamps directory 
+> cp angle.txt \vamps
+
+Delete the vamps directory and everything inside it 
+> rm -rf vamps
+
+JS Variables
+Assign the string "Jack" to a variable called captain 
+> var captain = "jack";
+
+Using the captain variable, use string concatenation to form the string "Oh Jack, my Jack!", assigning it to a variable named phrase 
+
+> var captain = "Oh Jack, my Jack!";
+> var phrase = captain
+
+
+JS Conditionals
+var souls = 3;
+var lifeRafts = 2;
+Write an if statement that console.logs "SOS!" if there are more souls than lifeRafts 
+
+if (lifeRafts > souls){
+    console.log(souls);
+}
+else {
+    console.log(lifeRafts);
+}
+
+Data Structures - JS Arrays
+Create an array named weekend with just 'Saturday' in it 
+> var weekend = ['Saturday'];
+
+Add 'Sunday' to the end of the weekend array 
+> var array = weekend.push('Sunday');
+
+
+Add 'Friday' to the front to the front of the weekend array 
+> var array = weekend.unshift('Friday');
+
+Access 'Saturday' in the array and assign to a variable named day 
+> var array = weekend[0];
+> var name = day;
+
+Remove 'Friday' from the array 
+> var array = weekend.shift();
+
+Data Structures - JS Objects
+Write an object literal named brain having a property of energyLevel with a value of 10 as a number 
+
+> var brain = {
+    energyLevel: 10,    
+};
+
+Assign the property of energyLevel to a variable named energy 
+
+>var brain = {
+    energyLevel: 10,    
+};
+
+
+Add a dream property to the brain object that holds the string 'electric sheep' 
+
+
+Add a dayDream property to the brain object that holds the object { lunch: ['burger', 'beer'] } 
+
+
+Add another element pudding to the lunch array inside the brain object 
+
+
+JS Functions
+Write a function to return the area of a rectangle (the product of its length and its width) 
+
+
+Invoke the function with 3 and 4 as arguments and save it to a variable named result