Search Results for "input"

This page is showing results 11 to 20 of 45

Marking fields as required

When a form is shown to the user on the web it is a good idea to let them know which fields are compulsory. The ...

14 Dec 2000 | Keywords: fields, required | Read »

Server-Side Error Validation

Whether you like it or not, it's easy for a user to bypass your JavaScript data validation on the web. This article describes an alternative which will keep the hackers at bay....

28 Jun 2004 | Keywords: error, server-side, validation | Read »

Modular Field Validation Script I

Anybody who does any programming will/should have heard of the "with" statement. I don't know why but I had always assumed this wasn't available in JavaScript. That was until today when I typed it in...

8 Mar 2001 | Keywords: with, form, validate, loop | Read »

Limit the types of files users can upload

The following JavaScript function can be used to validate that the type of file that a user tries to upload is of a certain format. It does this by checking that the files extention (eg .html) is in ...

19 Oct 2000 | Keywords: File, upload, type | Read »

How to make hidden fields temporary

When it comes to hiding fields on the web the method you use depends on what it is that you are trying to achieve. If you just want to hide the field from the browser completely then you can simply s...

14 Nov 2000 | Keywords: hidden, input, temporary | Read »

Limit amount of input in a field

Have you ever created a form with a field on it that relies on the user entering a "short description" and then had that nagging feeling, knowing that they can enter as much text as they like? This s...

3 Nov 2000 | Keywords: input, length, limit | Read »

Creating dynamic references to objects

Take the following JavaScript function. It is meant for a form that has six fields whose names are all of the format "QuantityX" where X is a number from 1 to 6. Have a look at the code and see if yo...

27 Oct 2000 | Keywords: input, object, string | Read »

Stop double form submissions

I bet the impatient amongst us have clicked a "Submit" button, waited a while, assumed nothing is happening, then pressed it again. I know I have. The effect of such actions depend on the timing of t...

9 Nov 2000 | Keywords: Submit, Button | Read »

Binding events to objects

In domino it is almost impossible to have complete control of the resulting HTML when designing your pages. It is only through the use of trickery that it is possible to achieve most goals. One such ...

30 Oct 2000 | Keywords: script, event, function | Read »

Date validation on global servers

Are you creating databases that live on servers all around the world and worried that you don't know which format the server expects dates to be entered in to fields of the date/time data type? You c...

13 Oct 2000 | Keywords: Date, Format | Read »