Understanding JavaScript Conditionals

What is the boolean value of the expression `5 > 3` in JavaScript?

• `true`

• `false`

• `undefined`

• `null`

Which of the following is the correct syntax for an if statement in JavaScript?

• `if x > 5 then { console.log(x); }`

• `if (x > 5) { console.log(x); }`

• `if x > 5: { console.log(x); }`

• `if (x > 5) then { console.log(x); }`

What will be the output of the following code snippet? ```javascript let isRaining = false; if (isRaining) { console.log("Take an umbrella."); } else { console.log("No need for an umbrella."); } ```

• `Take an umbrella.`

• `No need for an umbrella.`

• `undefined`

• `isRaining`

Which of the following is a boolean data type in JavaScript?

• `0`

• Yes

• `true`

• `1`

Consider the following code: ```javascript let temperature = 30; if (temperature > 25) { console.log("It's hot outside."); } else { console.log("It's not that hot."); } ``` What will be printed to the console?

• `It's hot outside.`

• `It's not that hot.`

• `undefined`

• `null`

What is the purpose of an else statement in JavaScript?

• To execute code when the if condition is true

• To execute code when the if condition is false

• To declare a variable

• To create a loop

How do you write an 'if' statement in JavaScript?

• if (condition) // code block

• if [condition] { // code block }

• if (condition) { // code block }

• if (condition) { /* code block */ }

Answer explanation

In JavaScript, the correct way to write an 'if' statement is: if (condition) { // code block }

Greater than or equal to

• > or =

• > || =

• >=

• <=