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Update dynamically generated price of two boxes with select option

I am trying to make this work with the help of jQuery docs but not success so far.
I have two boxes paynow and payfull that has 0 initial value but I am filling these boxes dynamically (jQuery) with product prices.
Now I have to update these values further with select option to discount the price (multiply with data-percent). This is the HTML.
<select class="discount">
<option data-percent="0">Select Discount Coupon</option>
<option data-percent="5">ABCD</option>
<option data-percent="10">EFGH</option>
<option data-percent="15">IJKL</option>
</select>
<span class="price" id="paynow">$0.00</span>
<span class="price" id="payfull">$0.00</span>
EDIT: jQuery code
$(document).ready(function() {
// For Calculator
function Cost_Calculator() {
var Currency = '$';
var messageHTML = 'Please contact us for a price.';
function CostFilter(e) {
return e;
}
//Calculate function
function calculate() {
//Blank!
var CalSaveInfo = [];
$('#cost_calc_custom-data, #cost_calc_breakdown').html('');
//Calculate total
var calCost = 0;
var calculate_class = '.cost_calc_calculate';
$('.cost_calc_active').each(function() {
//Calculation
calCost = calCost + parseFloat($(this).data('value'));
//Add to list
var optionName = $(this).attr('value');
var appendName = '<span class="cost_calc_breakdown_item">' + optionName + '</span>';
var optionCost = $(this).attr('data-value');
var appendCost = '<span class="cost_calc_breakdown_price">' + Currency + optionCost + '</span>';
if (optionCost != "0") {
var appendItem = '<li>' + appendName + appendCost + '</li>';
}
//hidden data
var appendPush = ' d1 ' + optionName + ' d2 d3 ' + optionCost + ' d4 ';
$('#cost_calc_breakdown').append(appendItem);
CalSaveInfo.push(appendPush);
});
//Limit to 2 decimal places
calCost = calCost.toFixed(2);
//Hook on the cost
calCost = CostFilter(calCost);
var CustomData = '#cost_calc_custom-data';
$.each(CalSaveInfo, function(i, v) {
$(CustomData).append(v);
});
//Update price
if (isNaN(calCost)) {
$('#paynow').html(messageHTML);
$('#payfull').html(messageHTML);
$('.addons-box').hide();
} else {
$('#paynow').html(Currency + calCost);
$('#payfull').html(Currency + calCost);
$('.addons-box').show();
}
}
//Calculate on click
$('.cost_calc_calculate').click(function() {
if ($(this).hasClass('single')) {
//Add cost_calc_active class
var row = $(this).data('row');
//Add class to this only
$('.cost_calc_calculate').filter(function() {
return $(this).data('row') == row;
}).removeClass('cost_calc_active');
$(this).addClass('cost_calc_active');
} else {
// Remove class if clicked
if ($(this).hasClass('cost_calc_active')) {
$(this).removeClass('cost_calc_active');
} else {
$(this).addClass('cost_calc_active');
}
}
//Select item
var selectItem = $(this).data('select');
var currentItem = $('.cost_calc_calculate[data-id="' + selectItem + '"]');
var currentRow = currentItem.data('row');
if (selectItem !== undefined) {
if (!$('.cost_calc_calculate[data-row="' + currentRow + '"]').hasClass('cost_calc_active'))
currentItem.addClass('cost_calc_active');
}
//Bring in totals & information
$('#cost_calc_breakdown_container, #cost_calc_clear_calculation').fadeIn();
$('.cost_calc_hide').hide();
$('.cost_calc_calculate').each(function() {
calculate();
});
return true;
});
$('#cost_calc_clear_calculation').click(function() {
$('.cost_calc_active').removeClass('cost_calc_active');
calculate();
$('#cost_calc_breakdown').html('<p id="empty-breakdown">Nothing selected</p>');
return true;
});
}
//Run cost calculator
Cost_Calculator();
});

How about this one:
var totalPayNowPrice=parseFloat($('#paynow').text());
var totalPayFullPrice=parseFloat($('#payfull').text());
$('.discount').on('change',function(){
if(parseInt($('.discount option:selected').attr('data-percent'))){
$('#paynow').text((totalPayNowPrice*parseInt($('.discount option:selected').attr('data-percent')))+'$');
$('#payfull').text((totalPayFullPrice*parseInt($('.discount option:selected').attr('data-percent')))+'$');
}
});
Just put the $ sign in you spans after the numbers, in order to parse function would work.
JSFIDDLE
UPDATE
From another point I think there is a better solution to use prototype and store you current prices in spans inside global variable, then you can use them wherever you want. Here the pseudo prototype for your use, if you`d like just customize it for you using:
function Test(){
this.totalPayNowPrice=1;//the is 1 only for check code working
this.totalPayFullPrice=1;
}
Test.prototype={
init: function(){
var scope=this;
$('.discount').on('change',function(){
if(parseInt($('.discount option:selected').attr('data-percent'))){
$('#paynow').text((scope.totalPayNowPrice*parseInt($('.discount option:selected').attr('data-percent')))+'$');
$('#payfull').text((scope.totalPayFullPrice*parseInt($('.discount option:selected').attr('data-percent')))+'$');
}
},
updatePaynowPrice:function(newPrice){
this.totalPayNowPrice=totalPayNowPrice;
},
updatePayfullPrice:function(newPrice){
this.totalPayFullPrice=totalPayNowPrice;
}
}

you can use
$(document).ready(function(){
// get price from #paynow (just a number)
var getPaynow = $('#paynow').text().match(/\d+/);
// get price from #payfull (just a number)
var getPayfull = $('#payfull').text().match(/\d+/);
$('.discount').on('change', function(){
// get data-percent from selected option
var discount = parseFloat($(this).find('>option:selected').attr('data-percent'));
//alert(discount +'///'+ getPaynow+'///'+ getPayfull);
//update price for #paynow and #payfull
$('#paynow').text('$'+parseFloat(getPaynow - (getPaynow * discount / 100)));
$('#payfull').text('$'+parseFloat(getPayfull - (getPayfull * discount / 100)));
});
});
Working Demo
in your code you can update prices after this part of code
//Update price
if (isNaN(calCost)) {
$('#paynow').html(messageHTML);
$('#payfull').html(messageHTML);
$('.addons-box').hide();
} else {
$('#paynow').html(Currency + calCost);
$('#payfull').html(Currency + calCost);
$('.addons-box').show();
}
//get price from #paynow (just a number)
getPaynow = $('#paynow').text().match(/\d+/);
// get price from #payfull (just a number)
getPayfull = $('#payfull').text().match(/\d+/);

how to get dynamic id of dynamically created textbox in jquery

i want to perform keyup event via textbox id, and all textbox are dynamically created with onclick button event. for this i have to make 20 keyup function. if i use 20 keyup function then my code will become too lengthy and complex. instead of this i want to use a common function for all textbox. can anybody suggest me how to do it..thanks
here is what i am doing to solve it:
<div class="input_fields_wrap">
<button class="add_field_button">Add Booking</button></div>
<div id='TextBoxesGroup'>
<div id="TextBoxDiv1">
</div>
</div>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script>
$(document).ready(function() {
var counter = 2;
$(".add_field_button").click(function() {
if (counter > 10) {
alert("Only 10 textboxes allow");
return false;
}
var newTextBoxDiv = $(document.createElement('div'))
.attr("id", 'TextBoxDiv' + counter);
newTextBoxDiv.after().html('<div id="target"><label>Textbox #' + counter + ' : </label>' +
'<input type="text" name="textbox' + counter +
'" id="firsttextbox' + counter + '" value="" > <input type="text" name="textbox' + counter +
'" id="secondtextbox' + counter + '" value="" > Remove<input type="text" id="box' + counter + '" value="">sum</div>');
newTextBoxDiv.appendTo("#TextBoxesGroup");
counter++;
});
function check(a, b) {
var first = a;
var second = b;
var temp = temp;
var novalue = "";
result = parseInt(first) + parseInt(second);
if (!isNaN(result)) {
return result;
} else {
return novalue;
}
}
$(this).on("keyup", "#firsttextbox2", function(e) {
e.preventDefault();
var a = document.getElementById('firsttextbox2').value;
var b = document.getElementById('secondtextbox2').value;
var number = 2;
result = check(a, b);
document.getElementById('box2').value = result;
});
$(this).on("keyup", "#firsttextbox3", function(e) {
var number = 3;
e.preventDefault();
var a = document.getElementById('firsttextbox3').value;
var b = document.getElementById('secondtextbox3').value;
result = check(a, b);
document.getElementById('box3').value = result;
});
$(this).on("keyup", "#firsttextbox4", function(e) {
var number = 4;
e.preventDefault();
var a = document.getElementById('firsttextbox4').value;
var b = document.getElementById('secondtextbox4').value;
result = check(a, b);
final = document.getElementById('box4').value = result;
});
$(this).on("keyup", "#secondtextbox2", function(e) {
e.preventDefault();
var a = document.getElementById('firsttextbox2').value;
var b = document.getElementById('secondtextbox2').value;
result = check(a, b);
document.getElementById('box2').value = result;
});
$(this).on("keyup", "#secondtextbox3", function(e) {
e.preventDefault();
var a = document.getElementById('firsttextbox3').value;
var b = document.getElementById('secondtextbox3').value;
result = check(a, b);
document.getElementById('box3').value = result;
});
$(this).on("keyup", "#secondtextbox4", function(e) {
e.preventDefault();
var a = document.getElementById('firsttextbox4').value;
var b = document.getElementById('secondtextbox4').value;
result = check(a, b);
document.getElementById('box4').value = result;
});
$(this).on("click", "#remove_field", function(e) { //user click on remove text
e.preventDefault();
$(this).parent('#target').remove();
counter--;
});
});
</script>

See the snippet below to see how you can make this implementation more modular and useable. The trick is to think: what do I want to do? I want to be able to add multiple inputs and add their value, printing the result in another input.
It comes down to using classes - since we are going to use the same kind of thing for every row. Then apply something that works for all classes. No IDs whatsoever! You can even use the name property of the input that contains the value you want to save. Using the [] in that property will even pass you back a nice array when POSTING!
I know this looks like a daunting lot, but remove my comments and the number of lines reduces dramatically and this kind of code is almost infinitely extendable and reusable.
But have a look, this works and its simple and - most of all - it's DRY (don't repeat yourself 0 once you do, re-evaluate as there should be a better way!)!
Update
You could also use a <ol>as a wrapper and then add an <li> to this every time, so you get automatic counting of boxes in the front end without any effort from your end! Actually, thats so nice for this that I have changed my implementation.
var add = $('#add_boxes');
var all = $('#boxes');
var amountOfInputs = 2;
var maximumBoxes = 10;
add.click(function(event){
// create a limit
if($(".box").length >= maximumBoxes){
alert("You cannot have more than 10 boxes!");
return;
}
var listItem = $('<li class="box"></li>');
// we will add 2 boxes here, but we can modify this in the amountOfBoxes value
for(var i = 0; i < amountOfInputs; i++){
listItem.append('<input type="text" class="input" />');
}
listItem.append('<input type="text" class="output" name="value" />');
// Lets add a link to remove this group as well, with a removeGroup class
listItem.append('<input type="button" value="Remove" class="removeGroup" />')
listItem.appendTo(all);
});
// This will tie in ANY input you add to the page. I have added them with the class `input`, but you can use any class you want, as long as you target it correctly.
$(document).on("keyup", "input.input", function(event){
// Get the group
var group = $(this).parent();
// Get the children (all that arent the .output input)
var children = group.children("input:not(.output)");
// Get the input where you want to print the output
var output = group.children(".output");
// Set a value
var value = 0;
// Here we will run through every input and add its value
children.each(function(){
// Add the value of every box. If parseInt fails, add 0.
value += parseInt(this.value) || 0;
});
// Print the output value
output.val(value);
});
// Lets implement your remove field option by removing the groups parent div on click
$(document).on("click", ".removeGroup", function(event){
event.preventDefault();
$(this).parent(".box").remove();
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
<ol id="boxes">
</ol>
<input type="button" value="Add a row" id="add_boxes" />

You can target all your textboxes, present or future, whatever their number, with a simple function like this :
$(document).on("keyup", "input[type=text]", function(){
var $textbox = $(this);
console.log($textbox.val());
})
$("button").click(function(){
$("#container").append('<input type="text" /><br>');
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="container">
<input type="text" /><br>
<input type="text" /><br>
<input type="text" /><br>
</div>
<button>Create one more</button>
You don't need complicated generated IDs, not necessarily a class (except if you have other input[type=text] you don't want to conflict with). And you don't need to duplicate your code and write 20 times the same function. Ever. If you're duplicating code, you're doing wrong.

Add classes "a" and "b" to the textboxes and "box" to the box. Then add data-idx attribute with the index (unused!?). Finally register the event handlers:
$('.a').on('keyup', function(e){
e.preventDefault();
var $this = $(this)
var $p = $this.parent()
var a= this.value;
var b= $p.find('.b').val()
var number =$this.data('idx') //unused!?
var result = check(a,b)
$p.find('.box').val(result)
})
$('.b').on('keyup', function(e){
e.preventDefault();
var $this = $(this)
var $p = $this.parent()
var a= $p.find('.a').val()
var b= this.value
var result = check(a,b)
$p.find('.box').val(result)
})
Or a general one:
$('.a,.b').on('keyup', function(e){
e.preventDefault();
var $p = $(this).parent()
var a= $p.find('.a').val()
var b= $p.find('.b').val()
var result = check(a,b)
$p.find('.box').val(result)
})

You can assign a class to all textboxes on which you want to perform keyup event and than using this class you can attach the event on elements which have that class. Here is an example
var html="";
for (var i = 0; i < 20; i++)
{
html += "<input type='text' id='txt" + i + "' class='someClass' />";
}
$("#testDiv").html(html);
Attach keyup event on elements which have class someClass.
$(".someClass").keyup(function () {
alert($(this).attr("id"));
});

A little helper to combine with your favorite answer:
var uid = function () {
var id = 0;
return function () {
return ++id;
};
}();
Usage:
uid(); // 1
uid(); // 2
uid(); // 3

Providing a code-snippet which may give you some hint:
$(".add_field_button").click(function ()
{
if (counter > 10)
{
alert("Only 10 textboxes allow");
return false;
}
var txtBoxDiv = $("<div id='TextBoxDiv"+counter+"' style='float:left;width:10%; position:relative; margin-left:5px;' align='center'></div>");
//creating the risk weight
var txtBox1 = $('<input />',
{
'id' : 'fst_textbox_' + counter,
'name' : 'textbox'+counter,
'type' : 'text',
'class' : 'input_field',
'onClick' : 'txtBoxFun(this,'+counter+')'
});
var txtBox2 = $('<input />',
{
'id' : 'sec_textbox_' + counter,
'name' : 'textbox'+counter,
'type' : 'text',
'class' : 'input_field',
'onClick' : 'txtBoxFun(this,'+counter+')'
});
var txtBox3 = $('<input />',
{
'id' : 'sum_textbox_' + counter,
'name' : 'textbox'+counter,
'type' : 'text',
'class' : 'input_field',
});
$(txtBoxDiv).append(txtBox1).append(txtBox2);
$(txtBoxDiv).append(txtBox3);
});
function txtBoxFun(obj, count)
{
var idGet = $(obj).attr('id');
var idArr = new Array();
idArr = idGet.split("_");
if(idArr[0] == "fst")
{
var sumTxt = parseInt(parseInt($(obj).val()) + parseInt($("#sec_textbox_"+count).val()));
}
else if(idArr[0] == "sec")
{
var sumTxt = parseInt(parseInt($(obj).val()) + parseInt($("#fst_textbox_"+count).val()));
}
$("#sum_textbox_"+count).val(sumTxt);
}

Loop through unknown amount of spans - JavaScript MVC

I have these functions:
$(".Read-Showing-Comment-Cancel").live('click', function (e) {
var guid = $(this).data("guid");
e.preventDefault();
var f = $('#comments-form-' + guid).slideUp();
$('comments-text-' + guid).empty();
$('comments-text-' + guid).value = "";
$(this).find('.comments-form-' + guid).hide();
$('comments-sendlink-' + guid).show();
});
$('.showComments').unbind('click').click(function (event) {
$('.ListingDisplayOptions').hide();
$(this).find('.comments-form-' + showGuid).show();
var showGuid = $(this).attr('rel');
loadShowingsComments(showGuid);
$(this).attr('id', 'comments-sendlink-' + showGuid);
event.preventDefault();
});
function loadShowingsComments(guid) {
var commentTextArea = "#comments-form-" + guid;
var commentDisplay = ".spanComments" + guid;
var curComment = $(commentDisplay).text();
var element = "#comments-form-" + guid;
$(element).slideDown();
}
<script>
function showComments() {
var comments = document.querySelectorAll(".spanComments");
for (var i = 0; i < comments.length; i++) {
comments[i].innerHTML = "This is comment #" + i;
}
}
</script>
View Comments
Those functions should grab the information from my controller (it's hooked up correctly. I've stepped through that and it has populated the right information) and place them in my span:
<tr class="p_la" id="comments-form-#currentShowing.ShowingGUID" style="display:none;">
<td colspan="4" style="border-right:5px solid #DDDDDD;">
<form action="" method="post">
<span class="spanComments" cols="100" rows="5">#string.Format("{0} / {1}", #currentShowing.Comments.DateAdded, #currentShowing.Comments.CommentsValue)</span>
<br />
Close
</form>
</td>
</tr>
Unfortunately, when I click on my hyperlink, it only populates the first span with the first span's information. Works great for the first span but when you click on the hyperlink in the second, third, fourth, etc item, they will only open up the first span with the first span's information.
The code should populate each successive span with its own information.

My JQuery was off. It needed this to be changed:
$(".Read-Showing-Comment-Cancel").live('click', function (e) {
var guid = $(this).data("guid");
e.preventDefault();
var f = $('#comments-form-' + guid).slideUp();
$('comments-text-' + guid).empty();
$('comments-text-' + guid).value = "";
$(this).parent("form").parent("td").parent("tr").hide();
$('comments-sendlink-' + guid).show();
});
$('.showComments').unbind('click').click(function (event) {
$('.ListingDisplayOptions').hide();
var showGuid = $(this).attr('rel');
$(this).parent("td").parent("tr").next('#comments-form-' + showGuid).show();
$(this).attr('id', 'comments-sendlink-' + showGuid);
event.preventDefault();
});

Use an array in this function to display values of chechboxes checked

This function replicates the user experience of a Select/MultiSelect dropdown element - displaying the values of checkboxes checked in a container (adds/removes them when they're checked/unchecked), and if more than 3 items have been checked it displays the # selected instead of the values selected.
It's a combination of 2 functions and they're not playing well together when items are unchecked (i.e. it's removing the values but not the commas, doesn't work correctly when more than 3 items have been selected, etc.)
I think it would be much better if I used an array to store the values, adding/removing values from the array when items are checked/unchecked, and I know how do to in PHP but not in Javascript. This code should create the array, but I can't figure out how to integrate it into my code.
$('input:checkbox[name="color[]"]:checked').each(function () {
selectedColors.push($(this).val());
});
Existing Code:
JS
$(".dropdown_container ul li").click(function () {
var text = $(this.children[0]).find("input").val();
var text_edited = text.replace(/_/g, " ");
var currentHtml = $(".dropdown_box span").html();
var positionLocation = currentHtml.indexOf(text_edited);
var numberChecked = $('input[name="color[]"]:checked').length;
if (positionLocation < 1) {
if (numberChecked <= 3) {
$(".dropdown_box span").html(currentHtml.replace('Colors', ''));
$(".dropdown_box span").append(', ' + text_edited);
} else {
$(".dropdown_box span").html(currentHtml.replace(currentHtml, numberChecked + " Selected"));
}
} else {
(currentHtmlRevised = currentHtml.replace(text_edited, ""));
$(".dropdown_box span").html(currentHtmlRevised.replace(currentHtml));
}
});
HTML
<div class="dropdown_box"><span>Colors</span></div>
<div class="dropdown_container">
<ul id="select_colors">
<li>
<label><a href="#"><div style="background-color: #ff8c00" class="color" onclick="toggle_colorbox_alt(this);"><div class=CheckMark>✓</div>
<input type="checkbox" name="color[]" value="Black" class="cbx"/>
</div>Black</a></label>
</li>
<!-- More List Items --!>
</ul>
</div>

Easiest to just replace the entire content each time. Also use the change event instead of the click event.
$(".dropdown_container input").change(function () {
var checked = $(".dropdown_container input:checked");
var span = $(".dropdown_box span");
if (checked.length > 3) {
span.html("" + checked.length + " selected");
}
else {
span.html(checked.map(function () { return $(this).val().replace("_"," "); }).get().join(", "));
}
});
Example: http://jsfiddle.net/bman654/FCVjj/

try this:
$('.cbx').change(function(){
var cbx = $('.cbx:checked');
var str = '';
if (cbx.length<=3 && cbx.length!=0){
for (var i=0;i<cbx.length;i++){
if (i>0) str += ', ';
str += cbx[i].value;
}
} else if (cbx.length==0){
str = 'Colors';
} else {
str = cbx.length;
}
$('.dropdown_box span').html(str);
});

arrange the numbers in input name element array after remove one of it by js

I want after add a input and remove it, arrange the numbers in input name element array by jQuery but don't work for me after remove input. How can fix it?
DEMO: http://jsfiddle.net/mUMdW/
My Code:
Html:
<div class="ch">
Add
</div>
<p class="ffdd"></p>
jQuery:
function removeidx(clss, type){
var remove = $(this).closest(clss);
remove.fadeOut('slow', function () {
$(this).remove(); // or change next line to $('.RowCheck:visible')
$(clss).each(function (idx) {
var checkBoxes = $('input[type="'+type+'"]',this);
checkBoxes.each(function(i) {
var str = $(this).attr('name');
var currentIdx = parseInt(str.match(/\d+/)[0], 10);
$(this).attr('name', str.replace(currentIdx,idx));
})
});
});
}
$(document).on('click change', 'a.adding', function(e) {
e.preventDefault();
var idx = $('.Row').length;
$('.ffdd').append('<div class="Row"> <input name="arr['+idx+'][]" type="text" value=""> Remove</div>');
});
$('.ffdd').on('click','a', function(e){
$(this).closest('.Row').remove();
removeidx('.ffdd', 'text');
})

I guess that you want to re-number the inputs after a remove, so that the array is made of contiguous numbers.
I have rewritten some things, among which the renumbering function, using an index contextual to the parent function.
function removeidx(context, clss, type) {
var remove = $(context).closest(clss);
remove.fadeOut('slow', function () {
$(this).remove();
var idx = 0;
$(clss).each(function () {
var checkBoxes = $('input[type="' + type + '"]', this);
checkBoxes.each(function () {
var name = $(this).attr('name');
name = name.replace(/\d+/, idx);
$(this).attr('name', name);
idx = idx + 1;
});
});
});
}
$(document).on('click change', 'a.adding', function (e) {
e.preventDefault();
var idx = $('.Row').length;
$('.ffdd').append('<div class="Row"> <input name="arr[' + idx + '][]" type="text" value=""> Remove</div>');
});
$('.ffdd').on('click', 'a', function (e) {
removeidx(this, '.Row', 'text');
})
You can see a working version there : http://jsfiddle.net/8sVWp/