Which statement correctly declares a JavaScript arrow function?

What is the correct way to declare a variable in JavaScript?

A). var x = 10;

B). let x = 10;

C). const x = 10;

D). variable x = 10;

What is the purpose of the 'continue' statement in a JavaScript loop?

A). To exit the loop

B). To skip the current iteration

C). To restart the loop

D). To execute the loop body again

Which method is used to remove the last element from a JavaScript array?

A). colors.pop();

B). colors.removeLast();

C). colors.splice(-1, 1);

D). colors.deleteLast();

What is the purpose of the 'this' keyword in JavaScript?

A). To refer to the current HTML element

B). To refer to the current JavaScript file

C). To refer to the current object

D). To refer to the current function

Which operator is used for strict inequality in JavaScript?

A). !==

B). !=

C). <>

D). /=

How do you access the last element of a JavaScript array?

A). colors[colors.length - 1];

B). colors.last();

C). colors[-1];

D). colors.getLast();

Which statement correctly declares a JavaScript object?

A). let person = {name: 'John', age: 30};

B). const person = ('name' => 'John', 'age' => 30);

C). const person = ['name', 'John', 'age', 30];

D). var person = {name: 'John', age: 30};

What is the purpose of the 'return' statement in a JavaScript function?

A). To end the function execution

B). To return a value from the function

C). To print a value to the console

D). To declare a variable

What is the correct way to declare a JavaScript class?

A). class Rectangle {}

B). let Rectangle = {}

C). function Rectangle() {}

D). Rectangle {}

Which statement correctly declares a JavaScript array?

A). let colors = ['red', 'green'];

B). const colors = {'red', 'green'};

C). const colors = ['red', 'green'];

D). var colors = ('red', 'green');