Blog

​Web pages are text files written in a language called _____.

A breakpoint _____.

Which statement about this error handling function is correct? function handleErrors(message, url, line) {    console.log(“The page ” + url    + ” produced the error ”    + message + “on line ” + line); return false; } ​

Suppose your web form uses radio buttons to allow the user to choose a tee-shirt size of small, medium, or large. These options share the name attribute shirtSize and have the ids size_0, size_1, and size_2. What JavaScript statements should you use to retrieve the text that appears beside the small shirt size button on the page?

Suppose you see the following lists of functions in the call stack window of your browser’s debugger as you are examining your JavaScript code. What does this call stack information indicate? siftFlour prepareBatter bakeCupcakes

Suppose you want to add the following statement to your JavaScript code in order to help you trace an error. What belongs in the blank? _____(“totalPrice = ” + totalPrice);

What JavaScript code should be placed in the blank to write JanuaryFebruaryMarch to a web page? let firstQuarter = [“January”, “February”, “March”]; for (_____; i++) {    document.write(firstQuarter[i] + “”); }

Imagine that you are creating a web form where the overallRating element is a selection list displaying the options “Excellent,” “Good,” “Okay,” “Poor,” and “Terrible.” After assigning a couple of variables with the following JavaScript code, you can use the selectedIndex property to _____. let custFeedback = document.forms.custFeedback; let overallRating = orderForm.elements.overallRating;

To simulate a matrix in JavaScript using a multidimensional array, _____.

If you write the JavaScript code specialInstructions:in front of a series of statements, you create a label for those statements that you can reference elsewhere in the program.