chapter1–introductiontocomputersandc++programming.ppt

1 Project 2 Creating Pop-up Windows, Adding Scrolling Messages, and Validating Forms Project 2 Creating Pop-up Windows, Adding Scrolling Messages, and Validating Forms Introduction Introduction We will create a Web page that will allow Home Finders Nationwide Realty customers to calculate the amount of their monthly mortgage payment, based on the amount of mortgage, interest rate, and the number of years. We will learn 1. how to add a scrolling message, which will introduce them to the substring() method and the If statement. 2.how to use JavaScript to validate forms. Introduction 3.If…Else statements, the parseInt(), parseFloat(), and isNaN() built-in functions, as well as using the pow() method. 4. writing functions to calculate and display the resulting monthly payment amount using the currency format. 5. how to add a pop-up window to display information on using the mortgage payment calculator. Introduction We all experienced using the Internet to purchase or searching something. Look for this web site and other online lenders and realtors . Do you search for a house online? How do you feel about applying for loans online? What are the important issues? Project Two — Home Finders Nationwide Realty We want to design a web page first loads a pop up windows to displays a message informing users of the new mortgage payment calculator. Project Two — Home Finders Nationwide Realty The web page also includes a scrolling message that constantly displays to remind visitors of the current low mortgage rate. Project Two — Home Finders Nationwide Realty The mortgage payment form allows users to calculate their monthly payment based on the amount of mortgage, interest rate, and years. Project Two — Home Finders Nationwide Realty We will use functions to validate data, calculate monthly payment, and display the result in currency format. For the sense of up to date, we will have the last modification date displayed at the bottom of t