It is the best practice to place all JavaScript scripts at the beginning of an HTML file so that they will not be run until after the Document Object Model has been created.

What will the following JavaScript code do?let toys = ;function mystery() {return 0.5 – Math.random();}toys.sort(mystery);

Which JavaScript statement calls a method associated with the hotChocolate object, passing the argument 1 to this method?

Requirements to make markets work efficiently DO NOT include:

Suppose the pattern attribute has been set to equal the regular expression ^\d{5}5$ within the tag for the accountNo field in a web form. This regular expression matches a text string of exactly five digits. What can you insert in the blank in the following JavaScript function to display a custom error message when the user enters something other than five digits, then tries to submit the form?let submitButton = document.getElementById(“submitButton”);submitButton.addEventListener(“click”, validateAccount);function validateAccount() {   let acc = document.getElementbyId(“accountNo”);   if (acc.validity.valueMissing) {      acc.setCustomValidity(“Please enter your account number”);   } _____ {      acc.setCustomValidity(“Account numbers have five digits”);   } else {      acc.setCustomValidity(“”);   }}

To use the proxy server approach to handle requests to third-party APIs, you must set up your own proxy server, then use an AJAX request object or Fetch to make the request of the proxy server.

A variable used in a program written in JavaScript _____.

Suppose you have written a JavaScript for loop, and one of the statements that will execute with each iteration of the loop includes an anonymous function that uses the for loop’s counter variable, i. Which statement about this loop is true?

Suppose you want to modify the following JavaScript event handler to use arrow function syntax:form.onclick = function() {    console.log(“The user clicked the form!”);}​What should you place in the blank in the following modified version?form.onclick = _____​

Which statement about the following JavaScript code is true?let greeting = “Happy birthday!”;if (ageAtBirthday < 6) {   greeting += " You are a cute little kid.";} else if (ageAtBirthday < 40) {   greeting += " Have lots of fun!";} else if (ageAtBirthday === 16) {   greeting += " You are old enough to drive.";} else {   greeting += " You are over the hill!";​