JavaScript
what is a JavaScript Array?
Arrays are used to store multiple values in a single variable. ex) var cars = ["something", "somethingelse", "hi";] Basically, it is a special variable that can hold more than one value at a time.
The external JavaScript file must contain the <script> tag.
False
Is JavaScript case sensitive?
Yes
How do you create a function in JavaScript?
function name(parameter1, parameter2, parameter3) { code to be executed on quiz answer: function myFunction()
What is the correct way to write a JavaScript array?
var colors = ["red", "green", "blue"]
How do you declare a JavaScript variable?
var x = 5; var y = 6; var z = x + y;
How do you write "Hello World" in an alert box?
alert("Hello World");
How can you add a comment in a JavaScript?
//This is a comment
How to insert a comment that has more than one line?
/*This comment has more than one line*/
What is the correct syntax for referring to an external script called "xxx.js"?
<script src="xxx.js">
How to write an IF statement in JavaScript?
if (condition) { block of code to be executed if the condition is true } On quiz answer: if (i == 5)
How to write an IF statement for executing some code if "i" is NOT equal to 5?
if (i != 5)
How do you call a function named "myFunction"?
myFunction() For reference: function name(parameter1, parameter2, parameter3) { code to be executed
Which event occurs when the user clicks on an HTML element?
onclick
Where is the correct place to insert a JavaScript?
the <head> or the <body> section