JavaSript Question 6 (1 point) If you use a short-circuit operator to combine tw

Question

JavaSript

Question 6 (1 point)

If you use a short-circuit operator to combine two expressions

Question 6 options:

both expressions are always evaluated

the second expression is evaluated only if it can affect the result

the first expression is evaluated only if it can affect the result

the result of each expression is reversed

Question 7 (1 point)

In the following statement, which expression is evaluated first?
var truth = !A || B && (C || D)

Question 7 options:

!A

B && (C || D)

C || D

!A || B

Save

Question 8 (1 point)

The condition for a while loop is tested

Question 8 options:

before the statements in the loop are executed

after the statements in the loop are executed

before and after the statements in the loop are executed

before or after the statements in the loop are executed, depending on how the condition is coded

Save

Question 9 (1 point)

If you want the block of code in a loop to be executed at least once, you would normally use

Question 9 options:

a while loop

a for loop

a do-while loop

either A or C

Save

Question 10 (1 point)

When the code that follows is executed, a message is displayed if the value the user enters
var userEntry = (prompt("Enter cost:");
if (isNaN(userEntry) || userEntry > 500 ) {
     alert ("Message");
}

Question 10 options:

isn’t a number or the value in userEntry is more than 500

isn’t a number and the value in userEntry is more than 500

is a number or the value in userEntry is more than 500

is a number and the value in userEntry is more than 500

both expressions are always evaluated

the second expression is evaluated only if it can affect the result

the first expression is evaluated only if it can affect the result

the result of each expression is reversed

Question 7 (1 point)

In the following statement, which expression is evaluated first?
var truth = !A || B && (C || D)

Question 7 options:

!A

B && (C || D)

C || D

!A || B

Save

Question 8 (1 point)

The condition for a while loop is tested

Question 8 options:

before the statements in the loop are executed

after the statements in the loop are executed

before and after the statements in the loop are executed

before or after the statements in the loop are executed, depending on how the condition is coded

Save

Question 9 (1 point)

If you want the block of code in a loop to be executed at least once, you would normally use

Question 9 options:

a while loop

a for loop

a do-while loop

either A or C

Save

Question 10 (1 point)

When the code that follows is executed, a message is displayed if the value the user enters
var userEntry = (prompt("Enter cost:");
if (isNaN(userEntry) || userEntry > 500 ) {
     alert ("Message");
}

Question 10 options:

isn’t a number or the value in userEntry is more than 500

isn’t a number and the value in userEntry is more than 500

is a number or the value in userEntry is more than 500

is a number and the value in userEntry is more than 500

Explanation / Answer

Q.6

the second expression is evaluated only if it can affect the result

Q7
!A

Q8
before and after the statements in the loop are executed

Q9
a do-while loop

Q10
isn’t a number or the value in userEntry is more than 500

Related Questions

Navigate

• Browse (All)
• Browse J
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.