DRAG DROP -You are developing an application that reads information from a file.The application must:✑ Execute a block of code if there is an error accessing the file✑ Execute a second block of code whether or not there is an error accessing the fileYou need to ensure that the error handling requirements are met.Which three statements should you implement in sequence? (To answer, move the appropriate statements from the list of actions to the answer area and arrange them in the correct order.)Select and Place:
HOTSPOT -You are developing an online shopping application that accepts credit cards for payment.If the credit card number is invalid, the application must:Generate an error -Assign "200" to the error numberAssign "Invalid" to the error descriptionYou need to write the code that meets the requirements.How should you write the code? (To answer, select the appropriate option from the drop-down list in the answer area.)Hot Area:
You are creating a JavaScript function to display the current version of a web applicationYou declare a button as follows.<input type="button" id="About" value="About" />You need to create an event handler for the button by using an anonymous function.Which code segment should you use?
DRAG DROP -You are creating a function by using JavaScript. The function accepts an object as the parameter and returns a string that identifies the data type of the object.You have the following requirements:✑ The function must return "Number" if the object is a number✑ The function must return "String" if the object is a string✑ The function must return "Unknown" if the object is neither a number nor a stringYou need to implement the function to meet the requirements.How should you build the code segment? (To answer, drag the appropriate word to the correct location in the code segment. Each word may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)Select and Place:
You are testing the value of the following variable in JavaScript. var height = "300";A block of code must execute if the following conditions are true:✑ The height variable is set to 300✑ The height variable is of type stringYou need to implement the code to run the test.Which line of code should you use?
DRAG DROP -You are validating user input by using JavaScript and regular expressions.A group of predefined regular expressions will validate two input fields:✑ An email address in a function named validateEmail (for example,[email protected])✑ A nine-digit number that allows optional hyphens after the second and fifth character in a function named validateSSN(for example, 555555555 or 555-55-5555)You need to use the correct expression to validate the input.Which expression should you insert into each function? (To answer, drag the appropriate regular expression statement to the correct location. Each regular expression statement may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)Select and Place:
