WorksheetsJavaScript Control Structures Review
Total questions: 10
Worksheet time: 15mins
What is the syntax for an if-else statement in JavaScript?
How many times will a for loop iterate if the condition is 'i < 5' and the initial value of i is 0?
5
1
0
2
What is the purpose of a while loop in JavaScript?
To skip a block of code
To execute a block of code only once
To repeatedly execute a block of code as long as a specified condition is true.
To terminate the execution of a loop
Which logical operator is used to combine two or more conditions and returns true if all conditions are true?
OR
NOT
XOR
AND
What is the output of the following code? var x = 5; var y = 10; if (x > y) { console.log('x is greater than y'); } else if (x < y) { console.log('x is less than y'); } else { console.log('x is equal to y'); }
What is the syntax for a for loop in JavaScript?
What is the purpose of an if-else statement in JavaScript?
To define a function in JavaScript
To repeat a code block multiple times
To assign a value to a variable in JavaScript
To execute different code blocks based on a condition
Which logical operator is used to combine two or more conditions and returns true if at least one condition is true?
OR
AND
XOR
NOT
What is the output of the following code? var i = 0; while (i < 5) { console.log(i); i++; }
What is the purpose of a conditional operator in JavaScript?
The purpose of a conditional operator in JavaScript is to perform different actions based on different conditions.
The purpose of a conditional operator in JavaScript is to execute a block of code repeatedly.
The purpose of a conditional operator in JavaScript is to define a function.
The purpose of a conditional operator in JavaScript is to perform mathematical calculations.
