You have written JavaScript code that assigns a reference to a selection list on your web form to the variable crustStyle. If you need to retrieve the number of choices available to the user within the crustStyle selection list, you should use the _____.

Suppose you are examining the script for the orderForm web form, whose submit button has the id submitButton. The form includes option buttons for choosing a pizza sauce flavor. The following JavaScript code included in the script will check for a sauce selection when the user clicks the submit button and display a custom error message if a sauce was not chosen. ​ let submitButton = document.getElementById(“submitButton”); submitButton.addEventListener(“click”, validateSauce); function validateSauce() {    let sauce = document.forms.orderForm.elements.sauceType;    if (sauce.validity.valueMissing) {       sauce.setCustomValidity(“”);    } else {       sauce.setCustomValidity(“Choose a sauce, please”);    } }

For an array stored in the variable customers whose highest index value is 34, the customers.length property will return the value _____.

Which JavaScript expression references the tenth element in an HTML document with the “menuChoice” name attribute?

What belongs in the blanks if you want to ensure that the command block executes at least once, but from that point onward the loop stops when the loop counter’s value exceeds 1000? Assume that an integer input by the user has been assigned to the variable myNumber. let i = myNumber; _____    document.write(i + “”);    i *= 2; _____ document.write(“Let’s stop multiplying by 2 now!”);

Imagine you want to write JavaScript code to display a customized message depending on the value of the dessert variable. Which series of words belongs in the blanks (one word per blank)? _____ (dessert) { _____ “Ice cream”: alert(“We all scream for ice cream!”); break; _____ “Apple pie”: alert(“Full of baked cinnamon-sweet fruit!”); break; _____ “Brownies”: alert(“A rich and gooey chocolate treat!”); break; _____ alert(dessert + ” is always an excellent choice!”); } ​

When writing a for loop, you can use an if statement within the loop to check whether the value for an iteration is undefined and, if so, execute a break statement to continue the loop to the next iteration at that point.

Suppose you would like to reference the third image from an HTML document, which has the tag , in your JavaScript code. Which expression should you use?

If you have nested an if block within a for loop beginning for (let i = 0; i < myArray.length; i++) then the program execution will continue to the next statement after the for loop as soon as the condition in the if statement is met, whether or not you use a break statement.

Convert the Binary Number below to Decimal. 01110000