Simple JavaScript Program

Create a very simple four function integer calculator with buttons for Add, Subtract, Multiply, and Divide,

and with two text-type input fields. When the user enters two numbers and clicks one of the buttons, the answer is displayed where shown.

Your program must use an alert to tell the user about any errors.

The possible errors include:

One or both input fields are blank

One or both input fields < -9999 or greater than 9999

Divide by zero

Illegal character in either input field.

Only 0, 1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9, and – are allowed.

The program should also include instructions to the user.

A set of instructions for installing the application supported with screenshots is also required.

Habilidades: Javascript, Arquitetura de software

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Acerca do Empregador:
( 121 comentários ) Calcutta, India

ID do Projeto: #7837510

22 freelancers are bidding on average ₹452/hour for this job


Hello, Thanks for inviting me to participate in this project. What do you mean by "The program should also include instructions to the user." ? Thanks much

₹421 INR / hora
(136 Comentários)

Hello , I am new here so i have placed bid with low rate. But i have experience of such work, I am ready to work on now. Please message me to discuss about project. We are indians so it will be easy for us to Mais

₹400 INR / hora
(91 Comentários)

Hello there, I have 6 years experience in web and graphic design and development and I am really looking forward to work on this project. I love web design and coding. Below you can check some projects I worked in t Mais

₹605 INR / hora
(39 Comentários)

Hello, I read through the job details extremely carefully and I am absolutely sure that I can do the project very well. I am having 6+ years of experience in Web Development. I have worked on below technologies/lan Mais

₹421 INR / hora
(14 Comentários)

Aucune proposition n'a encore été fournie.

₹400 INR / hora
(22 Comentários)

Hi, I have good knowledge in developing web application using javascript. I can complete the work within a day.. PM me for further discussions.

₹400 INR / hora
(15 Comentários)

Dear client I'll surely complete this project in an hour I can do this project using jQuery or javascript I'll also provide you the fully instructions step by step in the code Regards

₹400 INR / hora
(3 Comentários)

Hi, I have made it, please check here : [url removed, login to view] --- I use bootstrap and jquery --Thank You-- Bahrul -- [url removed, login to view]

₹550 INR / hora
(4 Comentários)

Hi, I'm a web developer and I work as an employee for a company that has contracts with multinational companies. I deal with the creation and management of business systems. I work with html,php,jquery,javascript,css a Mais

₹444 INR / hora
(6 Comentários)

I can create the calculator for you very quickly. I will write professional and clean code. I am ready to start on this immediately and send you the code. Since this is in JavaScript, there is no need for a set of inst Mais

₹450 INR / hora
(5 Comentários)

Hello Sir, We have read and understood your requirement whatsoever explained. We think we are good to sign up with this project. We are Bethe Bee, a private limited company with 7 years of industry experience. We can Mais

₹400 INR / hora
(5 Comentários)

Hello, Happy to have your attention and thanks for this wonderful opportunity. I am jquey,ajax expert. Have a look on elance, [url removed, login to view] Recently I have developed admin panels for Mais

₹440 INR / hora
(2 Comentários)

Hi, We can do it your work as per your requirement. Our Portfolio - [url removed, login to view] Check portfolio section for completed Projects Web-Softwares(CMS) (Dummy login provided to your view.) 1) http:// Mais

₹500 INR / hora
(2 Comentários)

La propuesta todavía no ha sido proveída

₹400 INR / hora
(0 Comentários)

Hi! With your request, I am confident enough to finish. I recently joined freelancer, so I need to finish projects like this to get good reviews. Please, give me a chance! P/s: I have finished. If you agree, I w Mais

₹400 INR / hora
(0 Comentários)

Hi I am MCA Graduate and i have a good knowledge in HTML, CSS, Javascript, I believe in 100% customer satisfaction and will work tirelessly toward that goal. I will keep the user interface very simple for use with the Mais

₹500 INR / hora
(0 Comentários)

Hi, I have a lot of experience with JavaScript. This is an easy task for me and I can get it done in couple of hours. Please don't hesitate to contact me to get the job done.

₹400 INR / hora
(0 Comentários)

A proposal has not yet been provided

₹638 INR / hora
(0 Comentários)

I have over 3 year experience with Web Development and handled over 8 projects related to HTML5, jQuery, Javascript. Also, I have resolved many web development related issues on online forums. Please check the below Mais

₹422 INR / hora
(0 Comentários)

Hello. I am new to this website, as you can see i don't have any rating, but I am very good in javascript and I can do your job very fast (i guess that an hour is enough, maybe even less). I can assure you that if yo Mais

₹400 INR / hora
(0 Comentários)