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
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Suppose you want to add the following statement to your Java…
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…
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 overallRa…
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…
To simulate a matrix in JavaScript using a multidimensional array, _____.
If you write the JavaScript code specialInstructions:in fron…
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.
The following JavaScript code will display the message “Plea…
The following JavaScript code will display the message “Please enter your name!” instead of the browser’s native error message when executed in response to a user trying to submit a web form without entering text in the lastName field, which has the required attribute. let lastName = document.getElementById(“lastName”); lastName.setCustomValidity(“Please enter your name!”);
You can use the following JavaScript code to add a browser t…
You can use the following JavaScript code to add a browser test for the find() method that will execute the if branch to locate an element in the invoices array if this method is supported by the user’s web browser, but move on to the else branch if the method is not supported: if (invoices.find) { let firstOverdue = invoices.find(overdue); } else { //alternate code in place of the find() method
You can submit a web form requesting a quote without validat…
You can submit a web form requesting a quote without validating its contents or causing a submit event by _____.
You can correct an error in a JavaScript program by creating…
You can correct an error in a JavaScript program by creating an event listener that runs a function, for instance by adding window.addEventListener(“error”, handleErrors).