How can I enable a specific textfield using a radio button? - javascript

I want to enable an 'other text' field when the 'option other' radio button is selected. I can make this work but the form must include more than one radio group. When I try to add another radio group my code causes both text fields to be enabled.
How do I make this work for just one at a time? I looked at adding :eq() to the class but I can't figure out how to make that work. Any help is appreciated.
<script>
$(document).ready(function() {
$('.textclass').attr({disabled:true,enabled:false});
$('.radclass.can').click(function(){
$('.textclass').attr({disabled:false,enabled:true});
});
$('.radclass.cant').click(function(){
$('.textclass').attr({disabled:true,enabled:false});
});
});
</script>
<form name="form1" method="post" action="next.php">
<input type="radio" name="grp_one" class="radclass cant" value="option_one" />Option One<br />
<input type="radio" name="grp_one" class="radclass cant" value="option_two" />Option Two<br />
<input type="radio" name="grp_one" class="radclass can" value="option_other" />Option Other<br />
Other Text: <input type="text" name="text_one" class="textclass"/>
<br />
<input type="radio" name="grp_two" class="radclass cant" value="option_one" />Option One<br />
<input type="radio" name="grp_two" class="radclass cant" value="option_two" />Option Two<br />
<input type="radio" name="grp_two" class="radclass can" value="option_other" />Option Other<br />
Other Text: <input type="text" name="text_two" class="textclass"/>
<br />
<input type="submit" name="submit" value="submit">
</form>

You should assign a different identificator to both textfields, for example adding a classname relative at the name group:
<input type="text" name="text_one" class="textclass grp_one"/>
After that in your script you could identify which group has been clicked and than you can do your activation:
$('.radclass.can').click(function(){
var grp = $(this).attr('name');
$('.' + grp).attr({disabled:false,enabled:true});
});
Here a full example (link)

Related

How can I create two groups of radio buttons in a HTML form and when change in A Group will change in B Group?

I Need to create two forms with radio buttons as following bellow and then, when change checked, I need to change automatically in the second form (jquery or javacript):
<form id="form-a" name="form-a">
<input type="radio" name="name-a" id="id-a" value="Yes" checked="checked" />
<input type="radio" name="name-b" id="id-b" value="No" />
</form>
<form id="form-b" name="form-b">
<input type="radio" name="name-c" id="id-c" value="Yes" checked="checked" />
<input type="radio" name="name-d" id="id-d" value="No" />
</form>
Just change the name attribute values on the radio buttons to group them and then just add an event listener to listen for changes.
Here is an example.
var radioBtns = document.querySelectorAll("input[type=radio]");
function radioChangeHndl(evt) {
radioBtns.forEach(function(radioBtn) {
radioBtn.checked = '';
if(radioBtn.value === this.value) {
radioBtn.checked = 'true'
}
}.bind(this))
}
radioBtns.forEach(function(radioBtn) {
radioBtn.addEventListener('change', radioChangeHndl);
});
<form id="form-a" name="form-a">
<input type="radio" name="name-a" id="id-a" value="Yes" checked="checked" />
<input type="radio" name="name-b" id="id-b" value="No" />
</form>
<form id="form-b" name="form-b">
<input type="radio" name="name-c" id="id-c" value="Yes" checked="checked" />
<input type="radio" name="name-d" id="id-d" value="No" />
</form>
EDIT: Changed the HTML and JS. Know you just have to add the classes to the Radiobuttons. Tsted with Firefox, Chrome and IE 11. Maybe its not working because jquery is not loaded? If you Add jquery in the Javascript-Part, its working.
My solution is working in both ways. Click on form-a and form-b
HTML:
I changed the button names for grouping. JQuery selector is the classname i added.
<body onload="bodyLoad()">
<form id="form-a" name="form-a">
<input type="radio" class="radioA" name="name-a" id="id-a" value="Yes" checked="checked" />
<input type="radio" class="radioB" name="name-b" id="id-b" value="No" />
</form>
<form id="form-b" name="form-b">
<input type="radio" class="radioA" name="name-c" id="id-c" value="Yes" checked="checked" />
<input type="radio" class="radioB" name="name-d" id="id-d" value="No" />
</form>
JS:
I decided to use click event.
function bodyLoad () {
$("input:radio").click(function() {
var myClass = $(this).attr("class");
$("input:radio").prop('checked',false);
$("." + myClass).prop('checked',true);
});}

Delete drop down when it is blank using Javascript or Jquery

Is it possible to write a Javascript function to delete a drop down when it is blank?
<form name="myform" method="post" enctype="multipart/form-data" action="" id="myform">
<div>
<label id="question1">1) Draw recognizable shapes</label>
<br />
<input type="radio" value="Yes" id="question1_0" name="question1_0" />
Yes
<input type="radio" value="No" id="question1_1" name="question1_1" />
No
</div>
<div>
<label id="question2">2) Competently cut paper </label>
<br />
<input type="radio" value="Yes" id="question2_0" name="question2_0" />
Yes
<input type="radio" value="No" id="question2_1" name="question2_1" />
No
</div>
<div>
<label id="question3">3) Hold a pencil</label>
<br />
<input type="radio" value="Yes" id="question3_0" name="question3_0" />
Yes
<input type="radio" value="No" id="question3_1" name="question3_1" />
No
</div>
<input type="submit" value="Delete Drop Down" onclick="return checkanddelete"/>
</form>
If somebody does not select question 2 for example, it deletes question 2 label and the drop down.
Assuming you actually meant radio button groups (and not drop down lists) then firstly your HTML is incorrect, you need to set the name values of each group of radio buttons to be the same:
<input type="radio" value="Yes" id="question1_0" name="question1" /> Yes
<input type="radio" value="No" id="question1_1" name="question1" /> No
Then you need to loop through the list of radio buttons, if none in the group are selected then delete the parent div:
$('input[type=submit]').on('click', function() {
var radioArr = [];
$(':radio').each(function(){
var radName = this.name;
if($.inArray(radName, radioArr) < 0 && $(':radio[name='+radName+']:checked').length == 0)
{
radioArr.push(radName);
$(this).closest("div")
.remove();
}
});
return false; //to stop the form submitting for testing purposes
});
While you are there, you might want to add some <label for=""> tags around your text.
Here is a jsFiddle of the solution.
If your dropdown has an id of DropDown, and you are looking to hide the dropdon on submit click:
function checkanddelete()
{
if ( $('#question2_0.=:checked, #question2_1:checked').length )
$('#dropdown').hide() // Or $('#dropdown').remove() if you do not plan on showing it again.
return false; // if you plan on not submitting the form..
}
Optimization for use in a module for a page include adding appropriate ids and classes to the divs, which I'm assuming that in full code are there, but if you are planning on making UI adjustments I would advise against using a submit button in the mix..
I don't know, what do you mean under "dropdown menu", but here some info, that can help you.
You can set a class name for the all Objects, you want to delete. E.g.
HTML
<div>
<label class='question2' id="question2">2) Competently cut paper </label>
<br />
<input class='question2' type="radio" value="Yes" id="question2_0" name="question2_0" />
Yes
<input class='question2' type="radio" value="No" id="question2_1" name="question2_1" />
No
</div>
JS
$(".question2").remove();
As an another solution you can set an ID for the DIV Tag above all of this elements
<div id='block_to_remove'>
<label id="question2">2) Competently cut paper </label>
<br />
<input type="radio" value="Yes" id="question2_0" name="question2_0" />
Yes
<input type="radio" value="No" id="question2_1" name="question2_1" />
No
</div>
And then remove it in JS
$("#block_to_remove").remove();

Set radio button value in javascript

I am trying to set the value of the radio button via javascript. But I am not being able to do so. What I tried to do was have 4 radio buttons one of which is already selected. If I select some other radio button and click on Refresh, default radio button should be selected.
http://jsfiddle.net/ds345/Un8XK/1/
HTML:
<fieldset data-role="controlgroup" data-type="vertical">
<input type="radio" name="radio" id="x" data-theme="a" />
<label for="x" style="color: White">X</label>
<input type="radio" name="radio" id="y" onclick="axisonoff(this)" data-theme="a" />
<label for="y" style="color: White">Y</label>
<input type="radio" name="radio" id="z" data-theme="a" />
<label for="z" >Z</label>
<input type="radio" name="radio" id="none" data-theme="a" />
<label for="none" style="color: White">None</label>
</fieldset>
<button id = "Refresh" value="Refresh">Refresh</button>
JS:
$(document).ready(function () {
$("#none").attr("checked", true).checkboxradio("refresh"); // if this line is not present initially then it works for the 1st refresh.
});
$("#Refresh").click(function(){
$("#x").attr("checked", false).checkboxradio("refresh");
$("#y").attr("checked", false).checkboxradio("refresh");
$("#z").attr("checked", false).checkboxradio("refresh");
$("#none").attr("checked", true).checkboxradio("refresh");
});
I am sure that I have missed something very small but not able to figure out why this approach is not working.
Tools used: Javascript,Jquery 1.9 and JQuery mobile 1.3
Thanks,
Deeksha
You should use prop over attr when dealing with boolean attributes.
.attr("checked", false) will add checked="false" to your element.In HTML, <input checked="false" .../> is the same as <input checked="true" .../> or simply <input checked .../> as the attribute simply needs to be present on the element for it to be active.
See this JSFiddle example.
Change your code to use .prop() instead:
$("#none").prop("checked", false)...
Here is a fixed version of your JSFiddle demo: http://jsfiddle.net/Un8XK/8/
What you have missed is that there is no need for script. Simply use a form with a reset button:
<form>
<input type="radio" name="radio" value="0" checked>0<br>
<input type="radio" name="radio" value="1">1<br>
<input type="radio" name="radio" value="2">2<br>
<input type="radio" name="radio" value="3">3<br>
<input type="reset">
</form>
If you really must use script, you can simply return the radio buttons to their default by adding a button to the form:
<input type="button" onclick="reset(this.form.radio);" value="Script reset">
and a function:
<script>
function reset(els) {
for (var i=0, iLen=els.length; i<iLen; i++) {
els[i].checked = els[i].defaultChecked;
}
}
</script>

Converting radiobuttons into checkboxes with javascript

I've a set of radio buttons and a checkbox on the page like below
<html>
<head>
<title>Languages</title>
<script type="text/javascript">
</script>
</head>
<body>
<span>What languages do you know?</span>
<form action="">
<div id="controlArea">
<input type="radio" name="lanRadio" value="radioRussian"><label for="radioRussian">Russian</label><br />
<input type="radio" name="lanRadio" value="radioEnglish"><label for="radioRussian">English</label><br />
<input type="radio" name="lanRadio" value="radioSpain"><label for="radioRussian">Spain</label><br />
<input type="radio" name="lanRadio" value="radioFrench"><label for="radioRussian">French</label><br />
<input type="checkbox" name="checkIn" value="CheckMore"><label for="CheckMore">More than 1</label><br />
</div>
</form>
</body>
What I want to do is, if a user checks the "More than 1" checkbox, all radio buttons must turn into checkboxes and users must be able to check more options. If the user unchecks the checkbox, all the checkboxes must turn back into a set of radio buttons. When changing radiobuttons to checkboxes, the selected radio button must become the checked checkbox.
You could do something like this :
function morethan(cbox) {
// setup new state
var state = "radio";
if (cbox.checked) {
state = "checkbox";
}
// get all by name and change state
var radios = document.getElementsByName('lanRadio');
for (i = 0; i < radios.length; i++) {
radios[i].type = state;
}
}​
You need to add an onclick handler to your checkbox :
<input type="checkbox" name="checkIn" onclick="morethan(this)" value="CheckMore">
Example here
Try this . Just copy and paste my code
<html>
<head>
<title>Languages</title>
<script type="text/javascript">
if(document.getElementById("radio1").type=="radio")
{
document.getElementById("radio1").type="checkbox";
document.getElementById("radio2").type="checkbox";
document.getElementById("radio3").type="checkbox";
document.getElementById("radio4").type="checkbox";
}
else
{
document.getElementById("radio1").type="radio";
document.getElementById("radio2").type="radio";
document.getElementById("radio3").type="radio";
document.getElementById("radio4").type="radio";
}
</script>
</head>
<body>
<span>What languages do you know?</span>
<form action="">
<div id="controlArea">
<input type="radio" id="radio1" name="lanRadio" value="radioRussian"><label for="radioRussian">Russian</label><br />
<input type="radio" id="radio2" name="lanRadio" value="radioEnglish"><label for="radioRussian">English</label><br />
<input type="radio" id="radio3" name="lanRadio" value="radioSpain"><label for="radioRussian">Spain</label><br />
<input type="radio" id="radio4" name="lanRadio" value="radioFrench"><label for="radioRussian">French</label><br />
<input type="checkbox" name="checkIn" value="CheckMore" onchange="fnc()"><label for="CheckMore">More than 1</label><br />
</div>
</form>
</body>

How can I make a group of checkboxes mutually exclusive?

I have to make mutually exculsive checkboxes. I have come across numerous examples that do it giving example of one checkbox group.
One example is at http://blog.schuager.com/2008/09/mutually-exclusive-checkboxes-with.html.
In my case, I have many checkbox groups on the same page, so I want it to work like this example.
An asp.net codebehind example is here, but I want to do it in client side code.
How can I do this in JavaScript?
i have decided to use the ajax mutually exclusive checkbox extender.
The solutions given so far are basically based on radio buttons.
This link really helped me..http://www.asp.net/ajax/videos/how-do-i-use-the-aspnet-ajax-mutuallyexclusive-checkbox-extender
Using Mutual Checkboxes when there is Radio button is a bad idea but still you can do this as follows
HTML
<div>
Red: <input id="chkRed" name="chkRed" type="checkbox" value="red" class="checkbox">
Blue: <input id="chkBlue" name="chkBlue" type="checkbox" value="blue" class="checkbox">
Green: <input id="chkGreen" name="chkGreen" type="checkbox" value="green" class="checkbox">
</div>
<div>
Mango: <input id="chkRed" name="chkMango" type="checkbox" value="Mango" class="checkbox">
Orange: <input id="chkBlue" name="chkOrange" type="checkbox" value="Orange" class="checkbox">
Banana: <input id="chkGreen" name="chkBanana" type="checkbox" value="Banana" class="checkbox">
</div>
Jquery
$('div .checkbox').click(function () {
checkedState = $(this).attr('checked');
$(this).parent('div').children('.checkbox:checked').each(function () {
$(this).attr('checked', false);
});
$(this).attr('checked', checkedState);
});
And here is fiddle
Like I said in my comment, you should really use <radio> elements for this. Give them the same name and they work almost the same way:
<label><input type="radio" name="option" value="Option 1">Option 1</label>
<label><input type="radio" name="option" value="Option 2">Option 2</label>
The only significant difference is that, once one of them is selected, at least one of them has to be on (ie, you can't uncheck them again).
If you really feel the need to do it with check boxes, remind yourself that users with JavaScript disabled will be able to select all the options if they like. If you still feel the need to do it, then you'll need to give each checkbox group a unique class name. Then, handle the change event of each checkbox element and uncheck all the other elements matching the same class name as the clicked element.
I hope this one will work
HTML
A <input type="checkbox" class="alpha" value="A" /> |
B <input type="checkbox" class="alpha" value="B" /> |
C <input type="checkbox" class="alpha" value="C" />
<br />
1 <input type="checkbox" class="num" value="1" /> |
2 <input type="checkbox" class="num" value="2" /> |
3 <input type="checkbox" class="num" value="3" />
JavaScript
// include jQuery library
var enforeMutualExcludedCheckBox = function(group){
return function() {
var isChecked= $(this).prop("checked");
$(group).prop("checked", false);
$(this).prop("checked", isChecked);
}
};
$(".alpha").click(enforeMutualExcludedCheckBox(".alpha"));
$(".num").click(enforeMutualExcludedCheckBox(".num"));
well, radio button should be the one to be used in mutually excluded options, though I've encountered a scenario where the client preferred to have zero to one selected item, and the javaScript'ed checkbox works well.
Update
Looking at my answer, I realized it's redundant to refer to the css class twice. I updated my code to convert it into a jquery plugin, and created two solutions, depending on ones preference
Get all checkboxes whose check is mutually excluded
$.fn.mutuallyExcludedCheckBoxes = function(){
var $checkboxes = this; // refers to selected checkboxes
$checkboxes.click(function() {
var $this = $(this),
isChecked = $this.prop("checked");
$checkboxes.prop("checked", false);
$this.prop("checked", isChecked);
});
};
// more elegant, just invoke the plugin
$("[name=alpha]").mutuallyExcludedCheckBoxes();
$("[name=num]").mutuallyExcludedCheckBoxes();
HTML
A <input type="checkbox" name="alpha" value="A" /> |
B <input type="checkbox" name="alpha" value="B" /> |
C <input type="checkbox" name="alpha" value="C" />
<br />
1 <input type="checkbox" name="num" value="1" /> |
2 <input type="checkbox" name="num" value="2" /> |
3 <input type="checkbox" name="num" value="3" />
sample code
Group all mutually excluded checkboxes in a containing element
JavaScript
$.fn.mutuallyExcludedCheckBoxes = function(){
var $checkboxes = this.find("input[type=checkbox]");
$checkboxes.click(function() {
var $this = $(this),
isChecked = $this.prop("checked");
$checkboxes.prop("checked", false);
$this.prop("checked", isChecked);
});
};
// select the containing element, then trigger the plugin
// to set all checkboxes in the containing element mutually
// excluded
$(".alpha").mutuallyExcludedCheckBoxes();
$(".num").mutuallyExcludedCheckBoxes();
HTML
<div class="alpha">
A <input type="checkbox" value="A" /> |
B <input type="checkbox" value="B" /> |
C <input type="checkbox" value="C" />
</div>
<div class="num">
1 <input type="checkbox" value="1" /> |
2 <input type="checkbox" value="2" /> |
3 <input type="checkbox" value="3" />
</div>
sample code
Enjoy :-)
Try this:
HTML
<div>
Car: <input id="chkVehicleCar" name="chkVehicle" type="checkbox" value="Car" class="radiocheckbox">
Moto: <input id="chkVehicleMoto" name="chkVehicle" type="checkbox" value="Moto" class="radiocheckbox">
Byke: <input id="chkVehicleByke" name="chkVehicle" type="checkbox" value="Byke" class="radiocheckbox">
Feet: <input id="chkVehicleFeet" name="chkVehicle" type="checkbox" value="Feet">
</div>
<span>
Red: <input id="chkColorRed" name="chkColor" type="checkbox" value="Red" class="radiocheckbox">
Blue: <input id="chkColorBlue" name="chkColor" type="checkbox" value="Blue" class="radiocheckbox">
Green: <input id="chkColorGreen" name="chkColor" type="checkbox" value="Green" class="radiocheckbox">
Mango: <input id="chkFruitMango" name="chkFruit" type="checkbox" value="Mango" class="radiocheckbox">
Orange: <input id="chkFruitOrange" name="chkFruit" type="checkbox" value="Orange" class="radiocheckbox">
Banana: <input id="chkFruitBanana" name="chkFruit" type="checkbox" value="Banana" class="radiocheckbox">
</span>
​JavaScript/jQuery
$(':checkbox.radiocheckbox').click(function() {
this.checked
&& $(this).siblings('input[name="' + this.name + '"]:checked.' + this.className)
.prop('checked', false);
});​
Mutually exclusive checkboxes are grouped by container+name+classname.
You can use different groups in same container and also mix exclusive with non-exclusive checkbox with same name.
JavaScript code is highly optimized. You can see a working example.
No matter where the check box is located on your page, you just need to specify the group and here you go!
<input type='checkbox' data-group='orderState'> pending
<input type='checkbox' data-group='orderState'> solved
<input type='checkbox' data-group='orderState'> timed out
<input type='checkbox' data-group='sex'> male
<input type='checkbox' data-group='sex'> female
<input type='checkbox'> Isolated
<script>
$(document).ready(function () {
$('input[type=checkbox]').click(function () {
var state = $(this)[0].checked,
g = $(this).data('group');
$(this).siblings()
.each(function () {
$(this)[0].checked = g==$(this).data('group')&&state ? false : $(this)[0].checked;
});
});
})</script>
I guess this is what you want.
Consider the HTML below:
<form action="">
My favourite colors are:<br />
<br />
<input type="checkbox" value="red" name="color" /> Red<br />
<input type="checkbox" value="yellow" name="color" /> Yellow<br />
<input type="checkbox" value="blue" name="color" /> Blue<br />
<input type="checkbox" value="orange" name="color1" /> Orange<br />
<input type="checkbox" value="green" name="color1" /> Green<br />
<input type="checkbox" value="purple" name="color1" /> Purple
</form>
Note that there's two names for color groups: red, yellow, blue and orage, green, purple
And this JavaScript noted below will work generically to all checkbox on the page.
jQuery("input[type=checkbox]").unbind("click");
jQuery("input[type=checkbox]").each(function(index, value) {
var checkbox = jQuery(value);
checkbox.bind("click", function () {
var check = checkbox.attr("checked");
jQuery("input[name=" + checkbox.attr('name') + "]").prop("checked", false);
checkbox.attr("checked", check);
});
});
Take a look at this LIVE example

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