Workshop Day 3

1. Which of these is a correct way to declare a variable in JavaScript?

• let x = 5;

• variable x = 5;

• x := 5;

• var 5 = x;

Which function is used to generate a random number in JavaScript?

• Math.randomNumber();

• Math.random();

• random();

• generateRandom();

What will this if statement do?

• It will log "True"

• It will log "False"

• It will not log anything

• It will throw an error

How can you create a simple function in JavaScript?

• function myFunction() {}

• create function myFunction() {}

• func myFunction() {}

• define myFunction() {}

What does document.getElementById("id") do?

• It changes the page title

• It gets an element with the specified id

• It creates a new element

• It removes an element with the specified id

Which of these is used to trigger a function when a button is clicked in HTML?

• onclick="functionName();"

• onClick="functionName();"

• click="functionName();"

• buttonClick="functionName();"

What will the following code display?

• A random number between 0 and 1

• A fixed number

• A random number between 1 and 10

• An error message

How do you check if a number is greater than 10 in JavaScript?

• if (number > 10) {}

• if number > 10 {}

• if (number < 10) {}

• check(number > 10);

What happens when you click a button with this code?

• An alert box with "Clicked!" appears.

• The page reloads.

• Nothing happens.

• The button disappears.

What does this if statement do?

• It logs "Yes"

• It logs "No"

• It does nothing

• It shows an error