How to validate a text field on a form

Assignment Help Computer Engineering

Reference no: EM1332473

Write a JavaScript function - included in a XHTML document - to validate a text field on a form which is to contain an integer, eg 2, 4567, 87612 etc ... without using any built functions like IsNaN an so fourth. If the text field contains a valid number then the JavaScript function can return "true", otherwise it returns "false" as well as displaying a popup error message.

Reference no: EM1332473

Reviews

Write a Review

Message

Computer Engineering Questions & Answers

What are the trends of data warehousing and data mining

Write an essay on wifi performance

Write an essay on WiFi performance

Which language would be more appropriate

The vehicle registration department for the State of Florida is becoming decentralized. Each county would now handle its own registration process and will issue its own license plates

Point-to-point communication links

Suppose there is the wide-area network with N nodes, where N ≥ 2. Find out the smallest number of the point-to-point communication links such that each node within the network is able to talk to one another node?

Calculate and show the percentage of calories

Define the use of contractions, slang and icons

Does the use of contractions, slang and icons in text messaging and email signal the development of a new communication style, or just the death of appreciation of written language.

Explain the following hypothetical scenario

The new CIO and his biker buddy COO decide to form a Steering Committee to clean up the mess. They involve the key decision makers from their respective organizations and get the commitment from Senior VP of Marketing. The CIO and COO make it clea..

Program to display temperature in table

Write down a C program that accepts three numbers input by the user, and outputs a table of the temperatures in Celsius, Fahrenheit, and Kelvin.

The hard drive will the original query take

suppose (somewhat artificially) that RAM can hold 200 rows and devotes half of that to reading one table and half to reading the other table and has "other places" to store the subquery/query results.

Threats resolved by redhat linux

The switches have the VLANs defined, one for the offices, one for the MIS, and one for the warehouse. Recognize what threats are resolved by the Redhat linux.

Program for calling the function

Suppose the availability of class named DataTransmitter which offers a static method, sendSignal which takes no arguments. Write down the code for calling this method.

Network cable planning

The company is very concerned with the network errors. State the advice you would provide regarding the design of the building and network cable planning which would help in order to decrease the network errors.

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages