JavaScript Practice Quiz

To declare variable that can be reassigned, use

• let

• const

• function

• console.log

Variables defined with let cannot be redeclared.

• True

• False

Some of JavaScript assignment operator

• *+

• /=

• %=

• **=

One of the reasons to use functions

• You can reuse code

• You can reassign the parameter

• You don't have to use console.log

• Simpler coding

How do we add more conditions in conditional statements?

• else if

• if...else

• if

• use logical operator such as &&

Execute the function named myFunction

function myFunction() {

alert("Hello World!");

}

(a)  

A function declaration consists of the following

• The function keyword.

• The name of the function, or its identifier, followed by parentheses.

• A function body enclosed in the function’s curly brackets, { }.

• a backtick inside console.log()

let superTired = true;

if (superTired) {

console.log("Go to sleep!");

} else {

console.log("Let's play some games!"

What will show up on the console?

• Go to sleep

• Let's play some games

• Uncaught SyntaxError: Unexpected identifier

• Uncaught SyntaxError: missing ) after argument list

Higher-order functions are functions that accept other functions as arguments and/or return functions as output.

• True

• False

The name:values pairs in JavaScript objects are called

• properties

• methods

• value

• variable