<input type="radio" id="Svar0" name="Svar" value="Yes">
<input type="radio" id="Svar1" name="Svar" value="No">
<input type="radio" id="Svar2" name="Svar" value="MayBe">
User can choose only once.
As per requirement, if the user has selected a radio, he can not select another one. Means that if the user has answered YES (clicked on YES), then he can not change the answer to NO or MayBe.
Workarounds:
If I disable the radio after single click then it is not submitted to the server.
There is no option for readonly.
I tried onchange handler returning false, but it makes the user answer disappearing.
<script>
$('input[type = "radio"]').change(function () {
this.checked = false;
});
</script>
I am thinking of weird options like transparent div before radio buttons.
I do not want to prefer hidden fields as I have above 60 questions and I find it difficult to manage them.
Please help me any code in Jquery or Javascript.
If the user selects one answer in radio, then the page should not allow him to select another answer and so the first selected answer should be the one that gets submitted.
Another simple option (disable all, except selection, on selection of any). This allows the selected value to be posted back:
$(':radio').change(function(){
$(':radio').not(this).prop("disabled", true);
});
JSFiddle: http://jsfiddle.net/9n8v4heo/
Update (delay before disable):
It does not appear to be a good user experience to allow radio selection then freeze it immediately, as mistakes do happen.
The following example will allow a 2 second delay after any selection, before making them disabled, so you can keep clicking but after two seconds you cannot select again:
var tme;
$(':radio').change(function(){
var t = this;
clearTimeout(tme);
tme = setTimeout(function(){
$(':radio').not(t).prop("disabled", true);
}, 2000);
});
JSFiddle: http://jsfiddle.net/9n8v4heo/1/
try
$("[type=radio][name=Svar]").change(function () {
if (!$("[type=radio][name=Svar]").filter("[clicked]").length) {
$(this).attr("clicked", "true")
} else {
$(this).prop("checked", !this.checked);
$("[type=radio][name=Svar]").filter("[clicked]").prop("checked", true)
}
});
DEMO
use preventDefault() with click event as #JotaBe said
$("[type=radio][name=Svar]").click(function (e) {
if (!$("[type=radio][name=Svar]").filter("[clicked]").length) {
$(this).attr("clicked", "true")
} else {
e.preventDefault();
}
});
DEMO
You can disable the other buttons when one gets selected, this way the selected one will get sent when the form is submitted.
jQuery("input[name=Svar]").change(function() {
jQuery("input[name=Svar]").prop("disabled", "disabled");
jQuery(this).prop("disabled",false);
});
You can attach an event handler that disables the default action for the click to all the radios, and do whatever you need to do instead ofteh default action. Tod so so, attach a handler that simply includes a call to: event.preventDefault(), and your own code.
See jquery docs for event.preventDefault()
$(document).ready(function() {
var allowChoose = true;
$('input').click(function(e) {
if (allowChoose) {
allowChoose = false;
} else {
e.preventDefault();
}
});
});
As you can see, you can use a flag like 'allowChoose' to allow the default action on the first click, and then change the flag and avoid the default action (checking the radio) on the next calls.
See the fiddle here.
Quick solution: You can disable the others radio buttons and the selected value remains enabled.
var $Svars = $('input[name="Svar"]');
$Svars.change(function () {
$Svars.not(this).prop("disabled", true);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="radio" id="Svar0" name="Svar" value="Yes" /> Yes
<input type="radio" id="Svar1" name="Svar" value="No" /> No
<input type="radio" id="Svar2" name="Svar" value="MayBe" /> Maybe
Solution 2: Another solution will be to add a class or a data attribute to exclude the others, like below.
var $Svars = $('input[name="Svar"]');
$Svars.change(function () {
var $this = $(this);
if($this.val() == $this.data('selected') || $this.data('selected') == undefined) {
$Svars.data('selected', $this.val());
} else {
$Svars.val([$this.data('selected')]);
}
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="radio" id="Svar0" name="Svar" value="Yes" /> Yes
<input type="radio" id="Svar1" name="Svar" value="No" /> No
<input type="radio" id="Svar2" name="Svar" value="MayBe" /> Maybe
I am trying to show hidden text if at least one checkbox is checked and hide it if none are checked. I have a multiple checkboxes.The hidden text isn't showing when I check the checkooxes. Any help?
Here is fiddle http://jsfiddle.net/HDGJ9/1/
<input type="checkbox" name="ch[]">
<input type="checkbox" name="ch[]">
<input type="checkbox" name="ch[]">
<input type="checkbox" name="ch[]">
<div class="txt" style="display:none">
if($('input[name="ch[]"]').is(':checked'))
$(".txt").show(); // checked
else
$(".txt").hide(); // unchecked
Enclose/wrap your code with event handler like
$('input[name="ch[]"]').on('change', function () {
//your code
});
JSFiddle
You can just check the length of checked checkboxes...
var $checkboxes = $(':checkbox');
$checkboxes.on('change', function(){
$('.txt').toggle( $checkboxes.filter(':checked').length > 0 );
});
Nothing is executing your javascript code. There are many ways to execute, and also many ways to achieve the result you want. You can assign it to a click or change event like so:
$("input[name='ch[]']").click(function() {
if($('input[name="ch[]"]').is(':checked'))
$(".txt").show(); // checked
else
$(".txt").hide(); // unchecked
});
Here is an updated fiddle that checks your function everytime you click.
In your code, the test for checked/unchecked boxes occurs only once, when the page loads. You should run this check every time the value of any of the checkboxes changes. Something like
function refresh() {
if ($('input[name="ch[]"]').is(':checked')) {
$(".txt").show(); // checked
} else {
$(".txt").hide(); // unchecked
}
}
$('input:checkbox').change(refresh);
JSFiddle: http://jsfiddle.net/MHB8q/1/
You are selecting all four checkbox elements here, you need to only select one that is checked, and see if you get a result:
if($('input[name="ch[]"]').filter(':checked').length){
$(".txt").show(); // checked
} else {
$(".txt").hide(); // unchecked
}
Demo: http://jsfiddle.net/HDGJ9/10/
$('input[name="ch[]"]').on('change', function() {
if ($(this).is(':checked')) {
$('.txt').css('display', 'block');
}
else {
var checked = false;
$('input[name="ch[]"]').each(function(i, el) {
if ($(el).is(':checked')) checked = true;
});
if (!checked) $('.txt').css('display', 'none');
}
});
Version with the least amount of event handlers:
$(document).on("change", ":checkbox", function(){
var isAtLeastOneCheckboxChecked = $(':checkbox').filter(":checked").length > 0;
if (isAtLeastOneCheckboxChecked)
$('.txt').show();
else
$('.txt').hide();
});
Fiddle: http://jsfiddle.net/3d79N/
I have a checkbox which will toggle some other check boxes on a html form:
<input type="checkbox" name="selector" onclick="toggle_all(this);"/>
<script language="javascript">
function toggle_all(source) {
var checkboxes = $(":input[name^='form[r']");
if($(source).is(':checked')) {
checkboxes.attr('checked', 'checked');
} else {
checkboxes.removeAttr('checked');
}
alert('done');
}
</script>
First time I click the "selector" check box, all check boxes with names starting "form[r" will be checked. Then when "selector" check box is unchecked, all others are unchecked as well. Since then checking/unchecking "selector" checkbox doesn't affect other checkboxes. The code is running because alert('done') shows up. What's wrong here?
I would suggest an improvement. Change HTML, add some class to all your checkboxes:
<input class="check" type="checkbox" name="form[r]">
And JS:
function toggle_all(source) {
$(".check").prop('checked', source.checked);
}
http://jsfiddle.net/tFv3G/
And the reason why is that searching elements by its attributes much slower than by class name. And less readable as well.
You need to escape the square bracket in selector
Change
var checkboxes = $(":input[name^='form[r']");
To
var checkboxes = $(":input[name^='form\[r']");
I'd recomment using this code to select/deselect all checkboxes:
$('input#select-all').change(function(){
var checked = $(this).prop('checked');
$(":input[name^='form[r']").prop('checked', checked);
});
i m a beginner.
i want that when a checkbox is checked then it should allow user to write something in a txtbox. initially the txtbox is disabled. what i should write inside the function using jquery
<input type="checkbox" id="cb" />
<label for="cb">label for checkbox</label>
<input type="text" id="txt" disabled="disabled" />
<script type="text/javascript">
$(document).ready(function() {
var checkbox = $('#cb');
var textfield = $('#txt');
checkbox.click(function() {
if (checkbox.is(':checked')) {
textfield.removeAttr('disabled');
}
else {
textfield.attr('disabled', 'disabled');
}
});
});
</script>
working example with visibilty
working example with disabled-state
additionally:
as you are working with asp.net, your assignments should look like, eg:
var checkbox = $('#<%= this.cb.ClientID %>');
you should be aware of the way how the server-controls get rendered either (to choose an appropriate selector).
furthermore: you should also be aware of the fact, that disabled-inputs won't get posted, whereas readonly-inputs are no problem to handle...
$('#mycheckbox').click(function()
{
$("#mytextbox").attr('disabled','');
}
);
$(document).ready(function()
{
//To Disable the Check box on page Load
$('#TextBox').attr('disabled', 'disabled');
//On Click of the Check Box
$('#CheckBoz').click(function()
{
if($('#CheckBoz').is(':checked'))
{
$('#TextBox').removeAttr('disabled');
}
else
{
$('#TextBox').attr('disabled', 'disabled');
}
});
});
I Hope this code works perfectly for you and u jst need to paste it in your page and check the Component name according to it.
I have a series of checkboxes that are loaded 100 at a time via ajax.
I need this jquery to allow me to have a button when pushed check all on screen. If more are loaded, and the button is pressed, to perhaps toggle all off, then pressed again toggle all back on.
This is what i have, obviously its not working for me.
$(function () {
$('#selectall').click(function () {
$('#friendslist').find(':checkbox').attr('checked', this.checked);
});
});
The button is #selectall, the check boxes are class .tf, and they all reside in a parent div called #check, inside a div called #friend, inside a div called #friendslist
Example:
<div id='friendslist'>
<div id='friend'>
<div id='check'>
<input type='checkbox' class='tf' name='hurr' value='durr1'>
</div>
</div>
<div id='friend'>
<div id='check'>
<input type='checkbox' class='tf' name='hurr' value='durr2'>
</div>
</div>
<div id='friend'>
<div id='check'>
<input type='checkbox' class='tf' name='hurr' value='durr3'>
</div>
</div>
</div>
<input type='button' id='selectall' value="Select All">
I know I'm revisiting an old thread, but this page shows up as one of the top results in Google when this question is asked. I am revisiting this because in jQuery 1.6 and above, prop() should be used for "checked" status instead of attr() with true or false being passed. More info here.
For example, Henrick's code should now be:
$(function () {
$('#selectall').toggle(
function() {
$('#friendslist .tf').prop('checked', true);
},
function() {
$('#friendslist .tf').prop('checked', false);
}
);
});
$('#friendslist .tf')
this selector will suit your needs
Use the jquery toggle function. Then you can also perform whatever other changes you may want to do along with those changes... such as changing the value of the button to say "check all" or "uncheck all".
$(function () {
$('#selectall').toggle(
function() {
$('#friendslist .tf').attr('checked', 'checked');
},
function() {
$('#friendslist .tf').attr('checked', '');
}
);
});
A very simple check/uncheck all without the need of loop
<input type="checkbox" id="checkAll" /> Check / Uncheck All
<input type="checkbox" class="chk" value="option1" /> Option 1
<input type="checkbox" class="chk" value="option2" /> Option 2
<input type="checkbox" class="chk" value="option3" /> Option 3
And the javascript (jQuery) accounting for "undefined" on checkbox value
** UPDATE - using .prop() **
$("#checkAll").change(function(){
var status = $(this).is(":checked") ? true : false;
$(".chk").prop("checked",status);
});
** Previous Suggestion - may not work **
$("#checkAll").change(function(){
var status = $(this).attr("checked") ? "checked" : false;
$(".chk").attr("checked",status);
});
OR with the suggestion from the next post using .prop() combined into a single line
$("#checkAll").change(function(){
$(".chk").attr("checked",$(this).prop("checked"));
});
This is how I toggle checkboxes
$(document).ready(function() {
$('#Togglebutton').click(function() {
$('.checkBoxes').each(function() {
$(this).attr('checked',!$(this).attr('checked'));
});
});
});
maybe try this:
$(function () {
$('#selectall').click(function () {
$('#friendslist .tf').attr('checked', this.checked);
});
});
<div class="control-group">
<input type="checkbox" class="selAllChksInGroup"> All
<input type="checkbox" value="NE"> Nebraska
<input type="checkbox" value="FL"> Florida
</div>
$(document).ready(function(){
$("input[type=checkbox].selAllChksInGroup").on("click.chkAll", function( event ){
$(this).parents('.control-group:eq(0)').find(':checkbox').prop('checked', this.checked);
});
});
I could not get this last example to work for me. The correct way to query the state of the checkbox is apparently :
var status = $(this).prop("checked");
and not
var status = $(this).attr("checked") ? "checked" : false;
as above.
See jQuery receiving checkbox status
It works for me (IE, Safari, Firefox) by just changing your this.checked to 'checked'.
$(function() {
$('#selectall').click(function() {
$('#friendslist').find(':checkbox').attr('checked', 'checked');
});
});
You may try this:
$(function () {
$('#selectall').click(function () {
$('#friendslist input:checkbox').attr('checked', checked_status);
});
});
//checked_status=true/false -as the case may be, or set it via a variable
assuming #selectall is a checkbox itself whose state you want copied to all the other checkboxes?
$(function () {
$('#selectall').click(function () {
$('#friendslist input:checkbox').attr('checked', $(this).attr('checked'));
});
});
try this
var checkAll = function(){
var check_all = arguments[0];
var child_class = arguments[1];
if(arguments.length>2){
var uncheck_all = arguments[2];
$('#'+check_all).click(function (){
$('.'+child_class).attr('checked', true);
});
$('#'+uncheck_all).click(function (){
$('.'+child_class).attr('checked', false);
});
$('.'+child_class).click(function (){
var checkall_checked = true;
$('.'+child_class).each(function(){
if($(this).attr('checked')!=true){
checkall_checked = false;
}
});
if(checkall_checked == true){
$('#'+check_all).attr('checked', true);
$('#'+uncheck_all).attr('checked', false);
}else{
$('#'+check_all).attr('checked', false);
$('#'+uncheck_all).attr('checked', true);
}
});
}else{
$('#'+check_all).click(function (){
$('.'+child_class).attr('checked', $(this).attr('checked'));
});
$('.'+child_class).click(function (){
var checkall_checked = true;
$('.'+child_class).each(function(){
if($(this).attr('checked')!=true){
checkall_checked = false;
}
});
$('#'+check_all).attr('checked', checkall_checked);
});
}
};
To "check all" and "uncheck all" is same checkbox
checkAll("checkall_id", "child_checkboxes_class_name");
To "check all" and "uncheck all" is separate checkbox
checkAll("checkall_id", "child_checkboxes_class_name", "uncheckall_id");
Here is how I achieved it.
function SelectAllCheckBoxes();
{
$('#divSrchResults').find(':checkbox').attr('checked', $('#chkPrint').is(":checked"));
}
The following fires the above line.
<input type=checkbox id=chkPrint onclick='SelectAllCheckBoxes();' />
On the click of chkPrint , every checkbox in the grid divSrchResults' is either checked or unchecked depending on the status of chkPrint.
Of course, if you need advanced functions like unchecking the titled checkbox when every other checkbox has been unchecked, you need to write another function for this.
I created a function that I use on all projects. This is just the initial draft, but maybe it will help:
Function:
function selectAll(wrapperAll, wrapperInputs) {
var selectAll = wrapperAll.find('input');
var allInputs = wrapperInputs.find('input');
console.log('Checked inputs = ' + allInputs.filter(':not(:checked)').length);
function checkitems(allInputs) {
//If all items checked
if (allInputs.filter(':not(:checked)').length === 0) {
console.log('Function: checkItems: All items checked');
selectAll.attr('checked', true);
} else {
console.log('Function: checkItems: Else all items checked');
selectAll.attr('checked', false);
}
}
checkitems(allInputs);
allInputs.on('change', function () {
checkitems(allInputs)
});
selectAll.on('change', function () {
if (this.checked) {
console.log('This checkbox is checked');
wrapperInputs.find(':checkbox').attr('checked', true);
} else {
console.log('This checkbox is NOT checked');
wrapperInputs.find(':checkbox').attr('checked', false);
}
});
}
It accepts the 2 parameters where the inputs are wrapped into and you cand use-it like this:
$(function () {
var wrapperAll = $('.selectallinput');
var wrapperInputs = $('.inputs');
selectAll(wrapperAll, wrapperInputs);
});
See demo: http://jsfiddle.net/cHD9z/
So "checked" is a crappy attribute; in many browsers it doesn't work as expected :-( Try doing:
$('#friendslist').find(':checkbox')
.attr('checked', this.checked)
.attr('defaultChecked', this.checked);
I know setting "defaultChecked" doesn't make any sense, but try it and see if it helps.
<input type="checkbox" onclick="toggleChecked(this.checked)"> Select / Deselect All
Now here are two versions of the toggleChecked function dependent on the semantics of your document. The only real difference is the jQuery selector for your list checkboxes:
1: All checkboxes have a class of “checkbox” (<input type=”checkbox” class=”checkbox” />)
function toggleChecked(status) {
$(".checkbox").each( function() {
$(this).attr("checked",status);
})
}
2: All the checkboxes are contained within a div with an arbitary id:
<div id="checkboxes">
<input type="checkbox" />
<input type="checkbox" />
<input type="checkbox" />
</div>
In this case the function would look like this:
function toggleChecked(status) {
$("#checkboxes input").each( function() {
$(this).attr("checked",status);
})
Have fun!
This may work for both (checked/unchecked) selectall situations:
$(document).ready(function(){
$('#selectall').click(function () {
$("#friendslist .tf").attr("checked",function(){return $(this).attr("checked") ? false : true;});
});
});
The currently accepted answer won't work for jQuery 1.9+. The event handling aspect of the (rather heavily) overloaded .toggle() function was removed in that version, which means that attempting to call .toggle(function, function) will instead just toggle the display state of your element.
I'd suggest doing something like this instead:
$(function() {
var selectAll = $('#selectall');
selectAll.on('click', function(e) {
var checked = !(selectAll.data('checked') || false);
$('#friendslist .tf').prop('checked', checked);
selectAll.data('checked', checked);
});
});
That uses a regular click event handler, plus a data attribute to track the "toggled" status and invert it with each click.
Here's a basic jQuery plugin I wrote that selects all checkboxes on the page, except the checkbox/element that is to be used as the toggle. This, of course, could be amended to suit your needs:
(function($) {
// Checkbox toggle function for selecting all checkboxes on the page
$.fn.toggleCheckboxes = function() {
// Get all checkbox elements
checkboxes = $(':checkbox').not(this);
// Check if the checkboxes are checked/unchecked and if so uncheck/check them
if(this.is(':checked')) {
checkboxes.prop('checked', true);
} else {
checkboxes.prop('checked', false);
}
}
}(jQuery));
Then simply call the function on your checkbox or button element:
// Check all checkboxes
$('.check-all').change(function() {
$(this).toggleCheckboxes();
});
As you are adding and removing more checkboxes via AJAX, you may want to use this instead of .change():
// Check all checkboxes
$(document).on('change', '.check-all', function() {
$(this).toggleCheckboxes();
});