How To Properly Validate <select> In HTML
Oct 28, 2011
Suppose that I have this as choices in my select lists:
Kid List
John
Jane
Rumpelstilskin
Fruit List
Apple
Mango
Orange
And if I select Rumpelstilskin in the kid list, I want to make sure he wouldn't be able to pick Mango, no matter how hard he tries. I tried using onblur + onclick + onkeyup + onkeydown + onfocus then all of them contains the same validation function, but still when I change it the last value is the one that gets selected. How would I do it so that if I press down and Rump is not chosen but Mango it's okay, but when I change to Rump it automatically validates and revokes him of Mango? And in any way imaginable? Is there an onall method for html?Here's some test code I'm fiddling with so as not to be labeled as not showing some code:
[Code]...
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May 11, 2009
Is there any body known about this problem?
My code:
//js code
“data[User][password]“: {
required: true,
[Code]....
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Jan 13, 2010
the remove(i) doesn't remove the option[i] but works unexpectedly and removes the first 4 options.how to delete the selected index only?
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Sep 18, 2010
I currently have a div and am using jquery for ajax stuff. The give is named app_content. I have a navigation menu full of input images. When a user clicks on any of these images it would inject html code in the app_content div which is where the html will be displayed.
Now the problem is that when I inject the html code I also inject javascript/jquery code. I make some more input images to be injected into this app_content div. One image is a button called new post. What I am trying to do is another ajax call to a php script to again inject the html code into app_content div. So like the new post I want to inject a form into app_content. The problem is that when you click on the image it does nothing.
The navigation menu is a different div it's app_nav div. Those images are input images and work find where once clicked it injects html code using jquery ajax to the div app_content. So when the html and also jquery code is injected into this div I have another input image inside this div and want to do the same thing when a user clicks this image which is a input image then it will run a function that uses jquery to use ajax to grab html from a .php file and then inject it in the same div meaning app_content div.
Is this possible?
To Sum up what I am trying to do is have jquery ajax inject html/jquery code in a div and the injected code would have another jquery ajax code where it would do another injection when clicked to the same div it's in.
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Jul 8, 2010
I Use the regular expression to find the html tags present in the input box, It works properly in IE & FF but in chrome it works fine when use first time for an input box but not again, below my code...
function IsWithinTags(inputString) {var regExp = /</?[^>]+(>|$)/g;
inputString = inputString.replace(/&(lt|gt);/g, function (strMatch, p1) {
return (p1 == "lt") ? "<" : ">";
});
[Code]....
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Jan 3, 2011
I want to validate a select list that looks like the below select list. How can I do this when it is named "status[]".[code]
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Jul 21, 2011
I am trying to refactor some forms I wrote a while back to use jQuery validate instead of custom validation. I want the forms to be validated from the start, but when a user clicks into any input the error should be cleared until the user leaves the input. It seems like focusCleanup is exactly what I am looking for, but in my opinion it doesn't work properly for select boxes.
When you click into the text input it works exactly as I had hoped, but when you click into the select box it clears the errors for a second and then immediately reevaluates it.
[Code]...
I know that I could get this functionality by hacking it in, but I am hoping to find a clean way, using the plugin, to get my desired output. Anyone else think that the focusCleanup is broken for selects?
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Apr 15, 2009
I am trying to display/hide different div tags when a checkbox is checked and when a California is selected as a drop-down value. I have it working when the check-box is selected and choosing the drop-down value, but not when the drop-down is selected and clicking the check-box.I hope this is an easy fix and my newbie-ness is at fault.
<script type="text/javascript" language="JavaScript"><!--
function show(obj)
{
[code]....
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Jan 16, 2011
the below script I'm trying to validate if the user enters a quantity in the text box they must select a reason for ordering and if the user selects a reason code but forgets to enter a quantity it should alert to enter a quantity. Right now it validates the reason code but not the quantity. Please help.
<script>
function validateReason(){
var tr, i=1;
[code]....
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Jul 14, 2011
How to validate input or select based on the class used?
For example: <input id="name" type="text" class="alphanumeric" value="">
Then for the validation:
if input class = "alphanumeric"
if !isAlphaNumeric(input.value)
alert(Enter valid value);input.focus
Before, I used onblur on the input to call the validator but it keeps prompting when I tried to out focus the input and I need to refresh the page.
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Nov 15, 2011
PHP Code:
<select name="sltDay">
<option value="">day</option>[code].....
If I tried to use the code to validate Day it won't work. Is there anyway to verify both select boxes?
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Jan 11, 2011
How can I validate that if the user enters a quantity in the field they also must select a reason code. How can I do this.
[Code]...
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Jan 16, 2009
I have been trying to validate both the Radio button and the Select Option box, but it does not work. It didn't show error, only din't do the way I want.I like to validate like this:If a user check "Yes" on this Radio button, then the OPTION box is disabled and no need to validate. However,when I tried the JS code below, the pop up window kept asking for a user to enter the "Seller" name.I combined both together as:
if (document.frmSelect.sellers.disabled=false && document.frmSelect.sellers.selectedIndex==""
html code
[code]....
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Mar 6, 2008
I just started using the grate validate plugin today and I can't really find an example of what I'm trying to customize...
Basically, I think it's confusing for a select element to change on focus instead of on change, meaning: the user forgets to select an option, the drop down is highlighted with some CSS, so use selects an option, but CSS error styling doesn't go away until the user clicks somewhere else on the page... A minor gripe, but I'm a big believer of the Steve Krug "don't make me think" school ;)
I'm still not quite clearly on how to implement own customizations of this plugin even after going through the docs...
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Nov 2, 2011
Run the following on a select field but only works when I remove the multiple="multiple"
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Jan 16, 2009
I have been trying to validate both the Radio button and the Select Option box, but it does not work. It didn't show error, only din't do the way I want.I like to validate like this:If a user check "Yes" on this Radio button, then the OPTION box is disabled and no need to validate. However,when I tried the JS code below, the pop up window kept asking for a user to enter the "Seller" name.I combined both together as:
Code:
if (document.frmSelect.sellers.disabled=false && document.frmSelect.sellers.selectedIndex==""
[code]....
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Apr 14, 2009
I have a page in HTML and inside of the page there is a php code to refer a field that must get data from the some table and in the same time i want to validate this field using JavaScript but until now didn't work.
How to validate more than one field in JavaScript
The code in HTML:
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Mar 24, 2009
I am a newbie trying to generate an alert message when a user leaves a username filed blank in an html form using an external javascript. Following is the code for html file.
[Code]....
However, if I swap the positions of the username and first name i.e. place the first name before the username, I do get an alert message if the first name is left empty. I do not wish to hijack an existing thread. Please let me know if there is an existing thread on this issue..(I could not find one).
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Aug 4, 2011
What I'd like to do is to set the min/max value of a textbox based on what they selected via the <select> which has probably 30 different types...
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Mar 24, 2011
I'm new to javascript as well as to this forum, Im coming here for first class
I have a html form that uses javascript for validation, this is an assignment that consists of a form that sells hard drives from three different manufacturers, more specifically the part im stuck on is where if a manufacturer hoes have a number in the number of drives textbox, javascript needs to check to see that one of the radio buttons in that row is checked, if no radio button is checked
an alert is displayed, however when I do select a radio button I still get the alert I used a "if...else if...else" construction but my logic is not well structured and thereby I get those problems, I have included the code down below if anyone is interested in helping a newbie out code...
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Sep 28, 2009
Info:- jquery-1.3.2- jquery.validate-1.5.5- form with 1 dropdown select and 4 text inputsSetup:- all 4 text fields are not initially required.Issue:The first input element is a required dropdown select.If the user selects option 1, then text field 1 & 2 need to be
required.If the user selects option 2, then text field 3 & 4 need to berequired.How do code this?
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Aug 11, 2011
Is there any way to use jquery.validate to check if any field from the form contain HTML injections?
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Dec 23, 2009
This is a solution:
errorElement is the HTML tag where the error message is placed in.
In your code, you'll create <div.inputrightdiv>-tags...
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Jan 17, 2007
I have a HTML form containing multidimensional selects listing
equipments and their quantitites. This allow the users to select the
kind of equipment and quantitites they would like to book. Upon
onChange select event I would like to parse the data into a
multidimensional Javascript array in order to check equipment
availability for booking. But I can't figure out how to parse and upon
JS HTML DOM reference I am not even sure it's possible. Code:
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Jan 31, 2011
I have a dropdown menu. the code is as below[code]...
I need to give user an option to select from the list or enter a new value. how do you do this ? I can add another option say "new value" and when he choose this user should be able to add the new value
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Jun 3, 2011
I'm using the validation plugin [url]
I must be missing something, is there not an easy way to validate inline?
For example, I have a required text input that is given focus on page load, I would like for it to throw an error if the user moves to the next field w/o entering any data.
Right now, it only checks for errors on 'submit'.
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