Validating Numeric Value In A Textfield

Oct 12, 2006

I'm having a problem with this script I'm working on. What I want to do is check that a user has entered only numeric characters in a text box. If not, an error message should be displayed telling the user that this field requires only numeric input.

It seems to be hitting that part of the function, but I'm not sure what I'm doing wrong that the form is still posting back. Here is the code:

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Validating Hour Of The Day Is Numeric And Less Than 24 And Bigger Than 0?

Jul 30, 2011

The code bellow validates an number is between 0 and 59.I want to modify the code to make another function which validates an entered value is numeric and between 0 and 24 (for the hour of the day).Since sorry i did not understand the function bellow, can some one pls help me understand it or guide me for creating a similar function which validates the entered hour of the day is between 0 and 24?

function isBetween_0_59(evt, ctrl) {
var result = isNumberKey(evt);
if (result) {[code]........

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Feb 18, 2010

I'm struggling to get what I want to work..I have two textfields (using jquery to ensure digits only, limit 3) one is total_available one is currently_available

obviously you cannot have more things available than you have in total, so i need to compare them, and warn when the second one is larger than the first. I tried to modify the jquery validation equalTo with no luck.

i actualy dont care it its not, if i can get the values from the fields, convert them to INT, then compare, and change the innerHTML of a warning DIV that is next to the fields to say "check again" then it will be sorted.

[Code]...

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Jan 19, 2006

I am new to JavaScript and would really appreciate any help to solve my
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I am using the blow code in my form to validate form fields. What I
would like to accomplish is that if when the list/menu (attribute6)
value is "Ja" then to make the TextField Pas Nr (attribute4)
required. And if when the list/menu (attribute6) value is "Nee" to
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I have tried to adjust the code with no success. I give up and hope
that someone can help me to the right direction! ....

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Aug 31, 2010

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I am using a validating form plug in for jquery and I have a question about it. Let this function will be an ex.:

[Code]....

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Oct 2, 2006

I am modifying a java script that has a function to validate a numeric value. I am attempting to update this function to validate numeric ranges for example =>0 to 35000.

Drawing a blank here on how to do this.. Any help would be greatly apprecaited. I have included the function that I am changing.. Code:

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Numeric Date Validation

Jul 23, 2005

It has appeared that ancient sources give a method for Numeric Date
Validation that involves numerous tests to determine month length;
versions are often posted by incomers here. That sort of code seems
unnecessarily long.

For some while, the following approach has been given here :-

function ValidDate(y, m, d) { // m = 0..11 ; y m d integers, y!=0
with (new Date(y, m, d))
return (getMonth()==m && getDate()==d) }

and it may remain the shortest code. But it does require, in every
case, the creation and disposal of a Date Object.

The following is about 50% longer in code, but about four times faster
in my system - and it seems to be right, too.

function DateOK(Y, M, D) {
return D>0 && (D<=[,31,28,31,30,31,30,31,31,30,31,30,31][M] ||
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Note that checking for 1 <= M <= 12 is inherent, and that the Leapness
of the year is only determined if the date given is February 29th.

Also, it is easy to use only the quadrennial rule if it is certain that
dates are in 1901-2099, or only two rules for 2001-2399.

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I have following codes

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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[code]....

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I am using the following javascript to have a gallery with thumbnails:

With the corresponding HTML:

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I am using Javascript to valid the textbox value..That text box should only allow numerics. So I have used IsNan function to validate the text box value. But it's not working..it is accepting chars/special chars too.

So i need to validate a textbox for negative values and chars,symbols. can any one give some idea about this..

Other than IsNan function is there anything to validate numeric value..

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[Code]....

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Oct 3, 2011

This has been asked before, and i've seen many of the previous posts. And tried for hours. But finally i've broken and have to ask for help. What am I doing wrong here?

var u=document.forms["lead"]["name"].value;
var v=document.forms["lead"]["city"].value;
var x=document.forms["lead"]["country"].value;
var y=document.forms["lead"]["mobile"].value;
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[Code]...

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I am doing some basic form validation stuff and I have two fields (phone, fax) that I need to check if the characters enterred are numeric, but still allow + and () characters to be enterred. If anything else has been enterred to display an error message.

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