Case 10-1 Eamon Has Extensive Experience with Event Handlers and He Offers

question 6

Multiple Choice

Case 10-1
Eamon has extensive experience with event handlers and he offers to help Brigid sort through the options available to her.
-With that problem fixed,Brigid has moved onto the input box.She has been using all of the following to trigger JavaScript code,but Eamon tells her that one of them is not going to work for her.Which one does he single out as a mismatch for the input box?

• A)onClick
• B)onFocus
• C)onChange
• D)onBlur

---

Definitions:

Salesvolume

The total amount of a product sold within a specific period.

Degree of Operating Leverage

A financial ratio that measures the sensitivity of a company's operating income to its sales volume, highlighting the impact of fixed costs.

Variable Expenses

Costs that vary directly with the level of production or sales volume.

Operating Income

Earnings before interest and taxes (EBIT), representing the profit from a company’s ordinary, core business operations.