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Suppose you want to write a command block that counts by threes from 3 to 99 and displays the results. What should you place in the blank?_____   document.write(i + “”);}​

Suppose you have just written a JavaScript constructor for a button class with the parameters buttonColor, buttonDiameterInches, and buttonHoles. Which statement can you use to create an instance of button to represent a blue, 0.25-inch button with four holes named button1?

You are examining a JavaScript program and find a series of nested if statements, each of which includes a test condition that verifies that a request object had a completed response and a successful connection, followed by the instantiation of a new request object. Once the inner if condition is verified, the program calls the open() and send() methods on each successful request object in turn. This situation _____.

The expression a *= b assigns b the value equal to a * b.

Suppose you have just written a JavaScript constructor for a button class and then created an instance of this class called button1. Adding the following code to your program _____.function buttonCollection(ownerName) {   this.buttonItems = [];   this.owner = ownerName;}let myCollection = new buttonCollection(“Mel”);myCollection.buttonItems.push(button1);

When you want to iterate over a collection consisting of all the table cell elements from an HTML document, you can assign them to a variable with the JavaScript statementlet collection = _____;

Which regular expression will match a phone number with a hyphen(s), either with or without an area code, such as 555-5555 or 555-555-5555?

Which JavaScript statement should you place in the blank if you want to create an event handler that opens a dialog box to alert the user to a change in the data saved to web storage?_____ {    window.alert(“Value of ” + e.key + ” changed from ”    + e.oldValue + ” to ” + e.newValue + “.”);}

When both the open() and send() methods have been called on a request object but the client has not yet begun to receive a response to the request, what state is the request object in?

A JavaScript closure is created when _____.