JavaScript Simplified - Chapter 47 Exercises

Any name that is legal for a _________ is legal for a function.

variable

This is the first line of the function code. Write the statement that calls the function.

function doSomething() {

doSomething();

doSomething;

Code the first line of a function displayAlert()

function displayAlert() {

functiondisplayAlert{

Code a function named askName() that prompts the user to "Enter name" and assigns the answer to userName, which hasn't been declared beforehand.

function askName() {
let userName = prompt("Enter name");
}

functionaskName{[\r\n]letuserName=prompt$•Entername•$;[\r\n]}

Code the first line of a function. Make up the name of the function.

function findsPrice() {

function[a-z_$][a-zA-Z0-9_$]*{

Code a function that displays an alert with your first name as the message. Make up the name of the function.

function say() {
alert("Mark");
}

function[a-z_$][a-zA-Z0-9_$]*{[\r\n]alert$•.*•$;[\r\n]}

Code a function that converts string1 to all-uppercase and assigns it to string2. Make up the name of the function.

function capIt() {
let string2 = string1.toUpperCase();
}

function[a-z_$][a-zA-Z0-9_$]*{[\r\n]letstring2=string1\.toUpperCase;[\r\n]}

Code a function that calls another function. Make up the names of the functions.

function func1() {
func2();
}

function[a-z_$][a-zA-Z0-9_$]*{[\r\n][a-z_$][a-zA-Z0-9_$]*;[\r\n]}

Code a function that displays a prompt, "Enter name" and then displays the name in an alert.
Call the function.
Enter a name in the prompt field.
Click the Result button (or, after revising, don't click, just wait).
Wait a moment.
If you've coded correctly, an alert will display the name.
Dismiss the alert by clicking OK.
For help with this code, see Chapter 47 in the book.

JavaScript Simplified / Chapter 47 Exercises