form « function « Javascript Data Type Q&A

1. possible to pass variable to javascript function from html form like this?    stackoverflow.com

<form><input type="file" name="first" onchange="jsFunction(2);">
<input type="file" name="second" onchange="jsFunction(3);"</form>

2. Why are my JavaScript variables not persisting across functions?    stackoverflow.com

I have the following JavaScript in my HTML page referencing an HTML form on the page:

<script type="text/javascript">
<!--

var myForm = document.myForm;

function validateForm() {
    if (myForm.myInput == "")
   ...

3. Can't access form elements    stackoverflow.com

my problem is that my variables are not working in javascript. all variables need names without some character at the beginning, this is the stupid thing...Anyways, im trying to make a funtion ...

4. How can I send a variable to a form using this javascript function?    stackoverflow.com

I've got this onclick call:

onClick="mySubmit();

function mySubmit(){
    document.getElementById("myForm").submit();
}

<form id="myForm" action="action.php" method="post">

5. Using one javascript function for multiple inputs on one form    stackoverflow.com

We have a simple age calculating script, that takes a date input (3 selects - day, month, year) and determine how old. It is triggered by an onChange assigned to ...

6. Collect form variables in a function and send them as a single variable    stackoverflow.com

I have a form with check boxes. When the form is submitted, I want to collect all the checked values form the check boxes in a single variable and send it ...

7. problem adding variables to a function in a form    codingforums.com

Hi, firstly I apologise if the title of this thread isn't quite accurate. I'm sure you've all heard it before but I am a complete newbie to Javascript so again: apologies if this is boring and tiresome to even read, let alone help with! I have been asked to make some changes to a form that uses Javascript for the form ...

8. Variable passing from javascript function to html form    forums.devshed.com

hi to all, this is my first post in the forum.I am new to javascript. i am developing a web application in which i have to retrieve the user browser and platform information. i am using javascript to get this information and tryin to pass these values to the html hidden form element. pasting a brief code from my application. ...

9. Problems with passing integer variables from HTML form to a function    forums.devshed.com

Hi, I have started learning javascript yesterday and so got the basics down. But I wanted to get a bit more complicated today, using variable passing with alert boxes etc. So, I wrote the script to pass set variables from one script to another after a button was clicked, and then display it in an alert box. Well, now I want ...

10. Include variables on a form validation function.    phpfreaks.com

Hi! What is the syntax of adding a variable as a checklist of available items based on a user input? e.g a user types a project name on an input box (project1) I want when javascript validate this field as below, to check from a list of variables gotten from the database using php. (in other words i would like to ...

11. problem adding variables to a function in a form    sitepoint.com

Hi, Sorry, the code you saw then was someone elses attempted solution. The original code I was given is below. I'm aware that the code is of poor quality but I've just been asked to do a quick fix and get the 'alerts' working for all of the fields higlighted in pink. The problem seems to arise when I add && ...

12. post variable form function?    sitepoint.com

post variable form function? hi all, i have a function that submit a form. within the function its doing some calculation and putting values to variables. this is my code: function bookClinic(i, kitID){ var theValue = String(document.forms['formKit' + i].selTownID.value) var selClinicID = theValue.substring(theValue.lastIndexOf("-") + 1) var startTownID = 0 var endTownID = theValue.indexOf("-") var selTownID = theValue.substring(startTownID, endTownID) var kitID = ...