Cybersecurity: Programming Fundamentals

How can we improve the following program?

function start() {

          move();

          move();

          move();

          move();

          move();

          move();

          move();

          move();

          move();

}

What keyword do you need to use to define a variable in JavaScript?

What will be printed as a result of the following code segment?

var firstPlace = "Dylan";

var secondPlace = "Jacob";

firstPlace = "Jacob";

secondPlace = "Julia";

println(firstPlace);

println(secondPlace);

Which of these is a valid Karel command?

Why do we use while loops in JavaScript?

Which general while loop definition is written correctly?

A

while (x is true) {

       // code

}

B

if (i<5) {

     //code

}

C

while (var i = 0; i < count; i++) {

      //code

}

D

while (condition) {

      //code

}

What does an if/else statement look like in JavaScript?

A

if (condition) {

      //code

}

B

for (var i = 0; i < count; i++) {

     //code

} 

C

if (condition) {

     //code }

if (condition) {

      //code

}

D

if (condition) {

      //code

} else {

       //code

}

Why do we use if/else statements in JavaScript?

We want to make a grocery list in our program. Which of the following is the correct way to make an array/list?

Suppose we’ve created an object phonebook that contains our friends’ names (keys) associated with their phone numbers (values). How can we get the phone number for Jenny?