select - how to sum values of selected options using jquery? - javascript

How to sum the selection options in multiple attribute? Any idea what might be the problem?
$(document).ready(function() { $('#btn-add').click(function(){
$('#select-from option:selected').each( function() {
$('#select-to').append("<option value='"+$(this).val()+"'>"+$(this).text()+"</option>");
$(this).remove();
});
});
$('#btn-remove').click(function(){
$('#select-to option:selected').each( function() {
$('#select-from').append("<option value='"+$(this).val()+"'>"+$(this).text()+"</option>");
$(this).remove();
});
});
$('.select-from option:selected').change(function() {
var total = 0 ;
$('.select-to option:selected').each(function() {
total += parseInt($(this).value());
});
$("input[name=class]").value(total); }); });
I have a multiple selection list options
<select name="selectfrom" id="select-from" multiple size="5">
<option value="1">Item 1</option>
<option value="2">Item 2</option>
<option value="3">Item 3</option>
<option value="4">Item 4</option>
</select>
Add »
« Remove
<select name="selectto" id="select-to" multiple size="5">
</select> <input type="text" name="class" value="" />

Try following code.
$(document).ready(function() {
$('#btn-add').click(function(){
$('#select-from option:selected').each( function() {
$('#select-to').append("<option value='"+$(this).val()+"'>"+$(this).text()+"</option>");
$("input[name='class']").val(parseInt($(this).val()) + parseInt($("input[name='class']").val()));
});
});
$('#btn-remove').click(function(){
$('#select-to option:selected').each( function() {
$('#select-from').append("<option value='"+$(this).val()+"'>"+$(this).text()+"</option>");
$(this).remove();
$("input[name='class']").val(parseInt($("input[name='class']").val() - parseInt($(this).val())));
});
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select name="selectfrom" id="select-from" multiple size="5">
<option value="1">Item 1</option>
<option value="2">Item 2</option>
<option value="3">Item 3</option>
<option value="4">Item 4</option>
</select>
Add »
« Remove
<select name="selectto" id="select-to" multiple size="5">
</select> <input type="text" name="class" value="0" />

You are using .value() instead of .val()
Change total += parseInt($(this).value()); to total += parseInt($(this).val()); and $("input[name=class]").value(total); to $("input[name=class]").val(total);

Related

Show or hide value base on select value

Working on a site and I want to show/hide the values of a second based on the choices of the first .
I tried to play with Javascript, but I'm not good at it to be honest.
<select id="job_type">
<option value="1"><option> 1</option>
<option value="2"><option> 1</option>
<option value="3"><option> 1</option>
<option value="4"><option> 1</option>
</select>
<select id="function">
<option value="a" class="case_a"><option> show only when job_type = 4</option>
<option value="b" class="case_a"><option> show only when job_type = 4</option>
<option value="c" class="case_b"><option> show only when job_type =/= 4</option>
<option value="d" class="case_b"><option> show only when job_type =/= 4</option>
</select>
<script>
$(document).ready(function(){
$('#job_type').on('change', function() {
if ( this.value == '4') {
$(".case_a").show();
$(".case_b").hide();
} else {
$(".case_a").hide();
$(".case_b").show();
}
});
});
</script>
There are a few minor issues with your code. Please try the snippet below. There also were some extra tags
$(document).ready(function(){
$('#job_type').on('change', function() {
if ( $(this).val() === '4')
{
$(".case_a").show();
$(".case_b").hide();
}
else
{
$(".case_a").hide();
$(".case_b").show();
}
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<select id="job_type">
<option value="1">1</option>
<option value="2">1</option>
<option value="3">1</option>
<option value="4">1</option>
</select>
<select id="function">
<option value="a" class="case_a"> show only when job_type = 4</option>
<option value="b" class="case_a"> show only when job_type = 4</option>
<option value="c" class="case_b"> show only when job_type =/= 4</option>
<option value="d" class="case_b">show only when job_type =/= 4</option>
</select>
<html>
<body>
<select id="job_type">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
<select id="function">
<option value="a" class="case_a">show only when job_type = 4</option>
<option value="b" class="case_b">show only when job_type = 4</option>
<option value="c" class="case_c"> show only when job_type =/= 4</option>
<option value="d" class="case_d">show only when job_type =/= 4</option>
</select>
<body>
<html>
And for JS:
map = {
"1": ["a", "b"],
'2': ["c"],
"3": ["a", "d"],
"4": ["b", "c"]
}
$(document).ready(function(){
$('#job_type').on('change', function() {
option = this.value
$("#function > option").each(function() {
if(map[option].includes(this.value)){
$('.' + this.className ).show();
}else{
$('.' + this.className ).hide();
}
});
});
})
The map objects maps the values from the first select to the second select, so you can alter the map object to fit your needs.
Your HTML is incorrect
<select id="job_type">
<option value="1"><option> 1</option>
<option value="2"><option> 2</option>
<option value="3"><option> 3</option>
<option value="4"><option> 4</option>
</select>
<select id="function">
<option value="a" class="case_a">show only when job_type = 4</option>
<option value="b" class="case_a">show only when job_type = 4</option>
<option value="c" class="case_b">show only when job_type =/= 4</option>
<option value="d" class="case_b">show only when job_type =/= 4</option>
</select>
Javascript
$(document).on('change', '#job_type', function(){
var val = this.value;
var groupA = $(document).find('#function option[class$=_a]');
var groupB = $(document).find('#function option[class$=_b]');
if(val == 4){
groupA.show()
groupB.hide()
}else{
groupA.hide()
groupB.show()
}
})

Select all options with a given data-id in a form

I have a form, and I'm trying to disable or hide options in a select form element which have a particular data-id attribute. Example form:
<fieldset id="fuu">
<select name="bar1">
<option value="option1" data-id="available">Option 1</option>
<option value="option2" data-id="notAvailable">Option 2</option>
<option value="option3" data-id="available">Option 3</option>
</select>
<select name="bar2">
<option value="anotherOption1" data-id="available">Option 1</option>
<option value="anotherOption2" data-id="notAvailable">Option 2</option>
<option value="anotherOption3" data-id="available">Option 3</option>
</select>
</fieldset>
I would like to hide (and disable for browsers which don't support hiding) the options with data-id of "notAvailable".
Here is what I've tried:
<script>
$(document).ready(function () {
//hide unavailable options
var unavailable = notAvailable;
$('#fuu select option').each(function (event) {
if ($(this).attr("data-id") !== unavailable) {
$(this).hide().prop('disabled', true);
}
});
});
</script>
My selector seems to fail, because when I the below code to log the result, I get "notAvailable : undefined" 127 times (one for each option in my form)
<script>
$(document).ready(function () {
//test by logging
var unavailable = notAvailable;
$('#fuu select option').each(function (event) {
if ($(this).attr("data-id") !== unavailable) {
var loggedID = $(this).attr("data-id");
console.log(unavailable + " : " + loggedID);
}
});
});
</script>
Thank you for your help!
Try following code:
$("#fuu select option[data-id='notAvailable']").hide().prop('disabled', true);
Try This :
$(document).ready(function(){
$('select option').each(function(){
if($(this).attr('data-id')=='notAvailable'){
$(this).prop('disabled',true);
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<fieldset id="fuu">
<select name="bar1">
<option value="option1" data-id="available">Option 1</option>
<option value="option2" data-id="notAvailable">Option 2</option>
<option value="option3" data-id="available">Option 3</option>
<select>
<select name="bar2">
<option value="anotherOption1" data-id="available">Option 1</option>
<option value="anotherOption2" data-id="notAvailable">Option 2</option>
<option value="anotherOption3" data-id="available">Option 3</option>
</select>
Provide this under quotes var unavailable = "notAvailable";
Change the condition as $(this).attr("data-id") == unavailable
Example:
$(document).ready(function() {
//hide unavailable options
var unavailable = "notAvailable";
$('#fuu select option').each(function(event) {
if ($(this).attr("data-id") == unavailable) {
$(this).hide().prop('disabled', true);
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<fieldset id="fuu">
<select name="bar1">
<option value="option1" data-id="available">Option 1</option>
<option value="option2" data-id="notAvailable">Option 2</option>
<option value="option3" data-id="available">Option 3</option>
</select>
<select name="bar2">
<option value="anotherOption1" data-id="available">Option 1</option>
<option value="anotherOption2" data-id="notAvailable">Option 2</option>
<option value="anotherOption3" data-id="available">Option 3</option>
</select>
</fieldset>

Calculating price of multiple items

Currently I have a HTML form allows a person to select an item from a dropdown and it will put the price in an input and even change the price if the quantity is changed.
How can I make it so that when I add "multiple" inside the select tag (making it <select id="price_input" multiple>), it will calculate the price for the two or more items and if two or more are selected have the quantity dropdown disabled?
This is what I've been able to come up with but it doesn't have the additions described above that I am in need of:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
$('#price_input').on('change', function() {
$selection = $(this).find(':selected');
$('#opt_price').val($selection.data('price'));
$('#quantity_input').on('change', function() {
$('#opt_price').val($selection.data('price') * $(this).val());
});
});
});
</script>
<select id="price_input">
<option value="Coffee" data-price="3.00">Coffee</option>
<option value="Chips" data-price="0.75">Chips</option>
<option value="Soda" data-price="2.50">Soda</option>
</select>
<select id="quantity_input">
<option value="1" >1</option>
<option value="2" >2</option>
<option value="3" >3</option>
</select>
<div>Option Price <input type="text" id="opt_price"/></div>
Using the following you can make it work for multiple products.
$(document).ready(function() {
$('#price_input').on('change', function() {
$('#opt_price').val(valueFUnction());
});
$('#quantity_input').on('change', function() {
$('#opt_price').val(valueFUnction());
});
});
function valueFUnction(quan) {
var $selection = $('#price_input').find(':selected');
var quantity = $('#quantity_input').val();
var total = 0;
$selection.each(function() {
total += $(this).data('price') * quantity;
})
return total;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<select id="price_input" multiple>
<option value="Coffee" data-price="3.00">Coffee</option>
<option value="Chips" data-price="0.75">Chips</option>
<option value="Soda" data-price="2.50">Soda</option>
</select>
<select id="quantity_input">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<div>Option Price
<input type="text" id="opt_price" />
</div>
You can check if more then one option is selected with $(":selected", this).length > 1) and then change disabled of $('#quantity_input')
$('select').on('change', function() {
if ($(":selected", this).length > 1) {
$('#quantity_input').prop('disabled', true);
} else {
$('#quantity_input').prop('disabled', false)
}
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select id="price_input" multiple>
<option value="Coffee" data-price="3.00">Coffee</option>
<option value="Chips" data-price="0.75">Chips</option>
<option value="Soda" data-price="2.50">Soda</option>
</select>
<select id="quantity_input">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<div>Option Price
<input type="text" id="opt_price" />
</div>
Try the following optimized version:
$('#price_input').on('change', function() {
var items = $(this).val() || [], totalPrice = 0.00;
$('#quantity_input').attr('disabled', items.length > 1);
var selection = $(':selected', this);
if (selection.length) {
$.each(selection, function(i, v){
totalPrice += parseFloat($(v).data('price'));
});
}
$('#opt_price').val(totalPrice);
});
$('#quantity_input').on('change', function() {
$('#opt_price').val($('#price_input :selected').data('price') * $(this).val());
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<select id="price_input" multiple>
<option value="Coffee" data-price="3.00">Coffee</option>
<option value="Chips" data-price="0.75">Chips</option>
<option value="Soda" data-price="2.50">Soda</option>
</select>
<select id="quantity_input">
<option value="1" >1</option>
<option value="2" >2</option>
<option value="3" >3</option>
</select>
<div>Option Price <input type="text" id="opt_price"/></div>

dropdown values hide show

I have 2 dropdowns, here is the fiddle,
https://jsfiddle.net/oqsf7gjq/1/
<select id="ddlOption">
<option value="">- Select an option -</option>
<option value="1">Yes</option>
<option value="2">No</option>
</select>
<br/><br/>
<select id="ddlCar">
<option value="">- Please select a name -</option>
<option value="1">Volvo</option>
<option value="2">Saab</option>
<option value="3">Mercedes</option>
<option value="4">Audi</option>
</select>
When user selects "Yes" from "ddlOption" dropdown, then I want to show only 2 values (Saab and Audi) for dropdown "ddlCar" and when user selects "No", then I want to see all values for "ddlCar" dropdown.
Please suggest me any possibilities with Jquery code. Thanks!
jsFiddle example
$("#ddlOption").change(function() {
$("#ddlCar").val("").find("[value=1], [value=3]").toggle( this.value==="2" );
});
$("#ddlOption").change(function() {
$("#ddlCar").val("").find("[value=1], [value=3]").toggle( this.value==="2" );
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select id="ddlOption">
<option value="">- Select an option -</option>
<option value="1">Yes</option>
<option value="2">No</option>
</select>
<br/><br/>
<select id="ddlCar">
<option value="">- Please select a name -</option>
<option value="1">Volvo</option>
<option value="2">Saab</option>
<option value="3">Mercedes</option>
<option value="4">Audi</option>
</select>
Toggle the desired option elements by checking Boolean the first select's value (this.value==="2")
Also, reset to .val("") in order to make sure the second select value is properly cleared from possible previous changes.
$('#ddlOption').change(function(){
var txt = $(this).val();
alert(txt);
if(txt==1){
$('#ddlCar option[value="1"]').hide();
$('#ddlCar option[value="3"]').hide();
}
else{
$('#ddlCar option[value="1"]').show();
$('#ddlCar option[value="3"]').show();
}
});
Fiddle
http://jsfiddle.net/ue4Cm/38/
Tested in Edge, Chrome, Firefox and Internet Explorer 11
Note that hiding and showing the options doesn't work in Edge or IE. The elements need to be really removed.
$(function() {
var $ddlCar = $("#ddlCar");
var $ddlCarOptions = $ddlCar.children("option");
$("#ddlOption").change(function() {
if ($(this).val() === "1") {
$ddlCarOptions.filter(".toggleable").attr("selected", false).remove();
} else {
$ddlCar.empty().append($ddlCarOptions);
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select id="ddlOption">
<option value="">- Select an option -</option>
<option value="1">Yes</option>
<option value="2">No</option>
</select>
<br/>
<br/>
<select id="ddlCar">
<option value="">- Please select a name -</option>
<option class="toggleable" value="1">Volvo</option>
<option value="2">Saab</option>
<option class="toggleable" value="3">Mercedes</option>
<option value="4">Audi</option>
</select>
Check updated fiddle
In your markup, you need to add classes to the dropdown values first
<select id="ddlOption">
<option value="">- Select an option -</option>
<option value="1">Yes</option>
<option value="2">No</option>
</select>
<br/><br/>
<select id="ddlCar">
<option value="">- Please select a name -</option>
<option value="1">Volvo</option>
<option value="2" class="yes">Saab</option>
<option value="3">Mercedes</option>
<option value="4" class="yes">Audi</option>
</select>
In your jquery code now
$(function() {
$("#ddlOption").change(function() {
var selectedValue = $(this).val();
if (selectedValue == 1)
{
$("#ddlCar option").hide();
$("#ddlCar option.yes").show();
}
else
{
$("#ddlCar option").show();
}
});
});
please check the code below I have made few changes to your code
<script type="text/javascript">
function populateList() {
if($("option:selected",$("#ddlOption")).val()=="1")
{
$(".val1").hide();
$(".val2").show();
}
else if($("option:selected",$("#ddlOption")).val()=="2")
{
$(".val1").show();
$(".val2").hide();
}
else
{
$(".val1").show();
$(".val2").show();
}
}
</script>
<select id="ddlOption" onchange="populateList();">
<option value="">- Select an option -</option>
<option value="1">Yes</option>
<option value="2">No</option>
</select>
<br/><br/>
<select id="ddlCar">
<option value="">- Please select a name -</option>
<option value="1" class="val2">Volvo</option>
<option value="2" class="val1">Saab</option>
<option value="3" class="val2">Mercedes</option>
<option value="4" class="val1">Audi</option>
</select>
let me know if you have any doubts
You can write code as below which is also works for larger object value(300 or whatever size) and it is dynamic.
Here optionOne, optionTwo are object which is bind when Yes/No value selected
Updated Js fiddle link
$(function() {
var optionOne=[{text:"Saab",value:"2"},{text:"Audi",value:"4"}];
var optionTwo=[{text:"Volvo",value:"1"},{text:"Saab",value:"2"},{text:"Mercedes",value:"3"},{text:"Audi",value:"4"}];
$("#ddlOption").change(function() {
var selectedValue=$(this).val();
$('#ddlCar').html('');
var mySelect = $('#ddlCar').append($('<option></option>').val("").html("- Please select a name -"));
if(selectedValue==='1'){
$.each(optionOne, function(index, item) {
mySelect.append($('<option></option>').val(item.value).html(item.text));
});
}else if(selectedValue==='2'){
$.each(optionTwo, function(index, item) {
mySelect.append($('<option></option>').val(item.value).html(item.text));
});
}else{
//To Do if no selection
}
});
});
Try this: https://jsfiddle.net/oqsf7gjq/17/ not the cleanest solution but it will work cross browsing.
$(function() {
var carArray = [];
$('#ddlCar option').each(function() {
carArray.push($(this));
});
$("#ddlOption").change(function() {
if ($('#ddlOption').val() == 1) {
$('#ddlCar option').each(function() {
if ($(this).val() != 2 && $(this).val() != 4) {
$(this).remove();
}
})
} else {
$('#ddlCar option').each(function() {
$(this).remove();
})
for (var i in carArray) {
$('#ddlCar').append(carArray[i])
}
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select id="ddlOption">
<option value="">- Select an option -</option>
<option value="1">Yes</option>
<option value="2">No</option>
</select>
<br/>
<br/>
<select id="ddlCar">
<option value="0">- Please select a name -</option>
<option value="1">Volvo</option>
<option value="2">Saab</option>
<option value="3">Mercedes</option>
<option value="4">Audi</option>
</select>

jQuery remove SELECT options based on another SELECT selected (Need support for all browsers)

Say I have this dropdown:
<select id="theOptions1">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
I want it so that when the user selects 1, this is the thing that the user can choose for dropdown 2:
<select id="theOptions2">
<option value="a">a</option>
<option value="b">b</option>
<option value="c">c</option>
</select>
Or if the user selects 2:
<select id="theOptions2">
<option value="a">a</option>
<option value="b">b</option>
</select>
Or if the user selects 3:
<select id="theOptions2">
<option value="b">b</option>
<option value="c">c</option>
</select>
I tried the code posted here:
jQuery disable SELECT options based on Radio selected (Need support for all browsers)
But it doesn't work for selects.
Please help!
Thank you!
UPDATE:
I really like the answer Paolo Bergantino had on:
jQuery disable SELECT options based on Radio selected (Need support for all browsers)
Is there anyway to modify this to work with selects instead of radio buttons?
jQuery.fn.filterOn = function(radio, values) {
return this.each(function() {
var select = this;
var options = [];
$(select).find('option').each(function() {
options.push({value: $(this).val(), text: $(this).text()});
});
$(select).data('options', options);
$(radio).click(function() {
var options = $(select).empty().data('options');
var haystack = values[$(this).attr('id')];
$.each(options, function(i) {
var option = options[i];
if($.inArray(option.value, haystack) !== -1) {
$(select).append(
$('<option>').text(option.text).val(option.value)
);
}
});
});
});
};
This works (tested in Safari 4.0.1, FF 3.0.13):
$(document).ready(function() {
//copy the second select, so we can easily reset it
var selectClone = $('#theOptions2').clone();
$('#theOptions1').change(function() {
var val = parseInt($(this).val());
//reset the second select on each change
$('#theOptions2').html(selectClone.html())
switch(val) {
//if 2 is selected remove C
case 2 : $('#theOptions2').find('option:contains(c)').remove();break;
//if 3 is selected remove A
case 3 : $('#theOptions2').find('option:contains(a)').remove();break;
}
});
});
And the beautiful UI:
<select id="theOptions1">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<br />
<select id="theOptions2">
<option value="a">a</option>
<option value="b">b</option>
<option value="c">c</option>
</select>
You can add classes to your <option>s to store which go with each value of #theOptions1:
<select id="theOptions2">
<option value="a" class="option-1 option-2">a</option>
<option value="b" class="option-1 option-2 option-3">b</option>
<option value="c" class="option-1 option-3">c</option>
</select>
then do this:
$(function() {
var allOptions = $('#theOptions2 option').clone();
$('#theOptions1').change(function() {
var val = $(this).val();
$('#theOptions2').html(allOptions.filter('.option-' + val));
});
});
For the record you can NOT remove options in a select list in Internet Explorer.
try this. this will definitely work
$(document).ready(function () {
var oldValue;
var oldText;
var className = '.ddl';
$(className)
.focus(function () {
oldValue = this.value;
oldText = $(this).find('option:selected').text();
})
.change(function () {
var newSelectedValue = $(this).val();
if (newSelectedValue != "") {
$('.ddl').not(this).find('option[value="' + newSelectedValue + '"]').remove();
}
if ($(className).not(this).find('option[value="' + oldValue + '"]').length == 0) { // NOT EXIST
$(className).not(this).append('<option value=' + oldValue + '>' + oldText + '</option>');
}
$(this).blur();
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.0/jquery.min.js"></script>
<form action="/Home/Ex2" method="post">
<select class="ddl" id="A1" name="A1">
<option value="">Select</option>
<option value="1">A</option>
<option value="2">B</option>
<option value="3">C</option>
<option value="4">D</option>
</select>
<hr />
<select class="ddl" id="A2" name="A2">
<option value="">Select</option>
<option value="1">A</option>
<option value="2">B</option>
<option value="3">C</option>
<option value="4">D</option>
</select>
<hr />
<select class="ddl" id="A3" name="A3">
<option value="">Select</option>
<option value="1">A</option>
<option value="2">B</option>
<option value="3">C</option>
<option value="4">D</option>
</select>
<hr />
<select class="ddl" id="A4" name="A4">
<option value="">Select</option>
<option value="1">A</option>
<option value="2">B</option>
<option value="3">C</option>
<option value="4">D</option>
</select>
<hr />
<input type="submit" name="submit" value="Save Data" id="btnSubmit" />
</form>
Actually, using the code below will remove a dropdown option just fine in IE, as long as it is not the selected option (it will not work on "a" without deselecting that option first):
var dropDownField = $('#theOptions2');
dropDownField.children('option:contains("b")').remove();
You just run this to remove whatever option you want to remove under a conditional statement with the first group (theOptions1) - that if one of those is selected, you run these lines:
var dropDownField = $('#theOptions2');
if ($('#theOptions1').val() == "2") {
dropDownField.children('option:contains("c")').remove();
}
if ($('#theOptions1').val() == "3") {
$("#theOptions2 :selected").removeAttr("selected");
$('#theOptions2').val('b');
dropDownField.children('option:contains("a")').remove();
}
-Tom

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