Question: Create a fill-in web form that uses a JavaScript implementation of the Luhn formula to check for typos in credit card numbers. Figure 14.15: Adder

Create a fill-in web form that uses a JavaScript implementation of the Luhn formula to check for typos in credit card numbers.

Figure 14.15:

Adder Adder 12 First addend function doAdd () { 34 Second addend argA argB x = document.getElementById('sum') parseInt (document.adder.argA.value) parseInt (document.adder.argB.value) Calculate %3D 12 plus 34 is 46 while (x.hasChildNodes ()) x.removeChild(x.lastChild) // delete old content t = document.createTextNode (argA + " plus " + argB + " is " + (arga + argB)) x. appendChild(t) First addend Second addend

Step by Step Solution

★★★★★

3.41 Rating (154 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

ANSWER EXPLANATION This HTML code creates a web form that ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Programming Language Pragmatics Questions!

Calculate L4 for the area under the curve g(x)=4x+1 over the interval [08] 18+27 +233 3 16 + 27 +233 (4) 18 + 250 D 4+ 5 +73 some other answer

In December 1999, Wilson applied for a Citibank credit card and signed an acceptance certificate in which she agreed to be bound by the terms and conditions of the credit card agreement. Citibank...

Credit card sales for Tent Rent, a party rental company, are given for a one-week period in July. All payments from the credit card company are directly deposited into Tent Rents bank account less a...

There are two problems due this week (each worth 35 points) as follows. Case 5-1David L. Miller: Portrait of a White-Collar Criminal (page 144). In comprehensive paragraphs, answerrequirements 1?6....

A creative engineer suggests structuring the TLB so that not all the bits of the presented address need match to result in a hit. Suggest how this might be achieved, and what might be the costs and...

I have to create a program in C and I can't figure it out. The program has to read a source file. Please help. /******************************************************************** PROJECT: Glossary...

STRATEGY How Companies Become Platform Leaders Under the right circumstances, * companies of any size can grow to become platform leaders. And particular business and technology decisions can help...

Requirement 1: ''As Is'' Process Map Using standard process mapping symbols and referring to the example process map presented in Appendix A, draw a process map for Elizor's raw materials purchasing...

iLab 2 of 8: Body Mass Index Calculator Submit your assignment to the Dropbox located on the silver tab at the top of this page. See Syllabus, Due Dates for Assignments & Exams, for due dates. iLAB...

PROG1123 Lab 2 Lab Overview In this assessment you will demonstrate your ability to: use HTML to create a simple web form code a JS document to process a web form We encourage you to get the simpler...

How do deductions for adjusted gross income and deductions from adjusted gross income of an individual differ?

Management by objectives is a management systemin which the first steps are setting specific performance goals that are _____________. a. established that can be easily b. jointly determined by...

true or false The mechanism of amortization indicstes that a fixed payment in eaxh period includes both principal and interests

7. To make a presentation effective and impressive, you should use: (a) complex sentences (b) jargon (c) passive sentences (d) a simple and active form of sentences

What does the Shannon capacity have to do with communications?

What is the bit rate for each of the following signals? a. A signal in which 1 bit lasts 0.001 s. b. A signal in which 1 bit lasts 2 ms. c. A signal in which 10 bits last 20 s.

What does the Nyquist theorem have to do with communications?

In practice, a common way to value a share of stock when a company pays dividends is to value the dividends over the next five years or so, then find the terminal stock price using a benchmark PE...

Texas Instruments (TI) designs and manufactures semiconductor products for use in computers, telecommunications equipment, automobiles, and other electronics based products. The manufacturing of...

Johnson last month (December) sales were 20,000 units @ $50. The company estimates an increase of 1.5% in sales for January. An increase of 200 units for February (compared to January) and a...