Kuizi 12 - Web

What is the syntax for an if statement in JavaScript?

• if condition { // code to execute }

• if (condition) // code to execute

• if (condition) { // code to execute }

• if { condition } // code to execute

How do you write an if-else statement?

• if (condition) { // code } else if { // code }

• if condition then { // code } else { // code }

• if (condition) { // code to execute if condition is true } else { // code to execute if condition is false }

• if (condition) { // code } else { // execute code }

What will the following code output: if (5 > 3) { console.log('True'); }?

• Error

• Undefined

• False

• True

What is the purpose of a switch statement?

• To define a variable's scope

• To handle exceptions in programming

• To create loops in code

• The purpose of a switch statement is to execute different code blocks based on the value of a variable or expression.

How do you define a default case in a switch statement?

• Use 'case default:' to define the default case.

• You can omit the default case entirely in a switch statement.

• Use 'default:' followed by the code block.

• The default case is defined with 'default_case:' syntax.

What will the following switch statement output: switch (2) { case 1: console.log('One'); break; case 2: console.log('Two'); break; }?

• Two

• One

• Zero

• Three

What is the syntax for a ternary operator?

• condition ? result_if_false : result_if_true

• result_if_true : condition ? result_if_false

• result_if_true ? result_if_false : condition

• condition ? result_if_true : result_if_false

How does the ternary operator differ from an if-else statement?

• The ternary operator is more concise and returns a value, while if-else can execute multiple statements.

• The ternary operator can only be used in loops.

• The ternary operator cannot return a value.

• If-else statements are always shorter than ternary operators.

What will the following code output: let result = (5 > 3) ? 'Yes' : 'No'; console.log(result);?

• Maybe

• Definitely not

• No

• Yes

What are logical operators in JavaScript?

• 'XOR' (^) operator

• The logical operators in JavaScript are 'AND' (&&), 'OR' (||), and 'NOT' (!).

• 'NOR' (↓) operator

• 'NAND' (↑) operator