Develop Reference

Javascript value not changing

I'm trying to get the total value coming from an observable array, it will always come with the value of zero. Any ideas on how to make variable totalPago have the total amount for the array? thanks in advance!
var totalPago = 0;
var totalDosmil = 0;
var totalMil = 0;
var totalQuinientos = 0;
var totalDoscientos = 0;
var totalCien = 0;
var totalCincuenta = 0;
var totalRegistro = data["resultado"].length;
self.listaReporte(data["resultado"]);
$.each(data["resultado"], function (key, item) {
totalPago += item.MontoPagado;
item.MontoPagado = item.MontoPagado.formatMoney(2, '.', ',');
totalPago.formatMoney(2, '.', ',');
totalMil += item.Denominacion.mil;
totalQuinientos += item.Denominacion.Quinientos;
totalDoscientos += item.Denominacion.doscientos;
totalCien += item.Denominacion.cien;
totalCincuenta += item.Denominacion.cincuenta;
self.listaReporte.push(item);
});
self.TotalPagado(totalPago.formatMoney(2, '.', ','));
self.tMil(totalMil);
self.tQuinientos(totalQuinientos);
self.tDoscientos(totalDoscientos);
self.tCien(totalCien);
self.tCincuenta(totalCincuenta);

How do I input a number / time of 01:10 from my code?

I have this working code below to input a number/tme in textbox. This code below is functioning well but I want to set my textbox value into 00:00 and edit my function code like the second jsfiddle however my edited code is not going well as my idea. In my second jsfiddle I want to input a time of 05:30 but the code is replacing any number that input by a user from the textbox 0
function MaskedTextboxDPSDeparture() {
var myMask = "__:__";
var myCorrectionOut2 = document.getElementById("Departure");
var myText = "";
var myNumbers = [];
var myOutPut = ""
var theLastPos = 1;
myText = myCorrectionOut2.value;
//get numbers
for (var i = 0; i < myText.length; i++) {
if (!isNaN(myText.charAt(i)) && myText.charAt(i) != " ") {
myNumbers.push(myText.charAt(i));
}
}
//write over mask
for (var j = 0; j < myMask.length; j++) {
if (myMask.charAt(j) == "_") { //replace "_" by a number
if (myNumbers.length == 0)
myOutPut = myOutPut + myMask.charAt(j);
else {
myOutPut = myOutPut + myNumbers.shift();
theLastPos = j + 1; //set current position
}
} else {
myOutPut = myOutPut + myMask.charAt(j);
}
}
document.getElementById("Departure").value = myOutPut;
document.getElementById("Departure").setSelectionRange(theLastPos, theLastPos);
}
document.getElementById("Departure").onkeyup = MaskedTextboxDPSDeparture;
HTML
< input id="Departure" type="text" style="width: 35px; text-align: center" value="__:__" />
JSFIDDLE
JSFIDDLE 2
Any suggestion will accepted. Thanks.

Add alphabets dynamically as html row increments

How to ensure i have a dynamic increment of Alphabets in a new cell on left side, next to each cell in a row which is dynamically created based on the option chosen in Select. This newly generated alphabet will be considered as bullet points/serial number for that particular row's text box.
jsfiddle
js code
$(document).ready(function(){
var select = $("#Number_of_position"), table = $("#Positions_names");
for (var i = 1; i <= 100; i++){
select.append('<option value="'+i+'">'+i+'</option>');
}
select.change(function () {
var rows = '';
for (var i = 0; i < $(this).val(); i++) {
rows += "<tr><td><input type='text'></td></tr>";
}
table.html(rows);
});
});
html
<select id="Number_of_position">
</select> <table id="Positions_names">
</table>

This is essentially a base26 question, you can search for an implementation of this in javascript pretty easily - How to create a function that converts a Number to a Bijective Hexavigesimal?
alpha = "abcdefghijklmnopqrstuvwxyz";
function hex(a) {
// First figure out how many digits there are.
a += 1; // This line is funky
var c = 0;
var x = 1;
while (a >= x) {
c++;
a -= x;
x *= 26;
}
// Now you can do normal base conversion.
var s = "";
for (var i = 0; i < c; i++) {
s = alpha.charAt(a % 26) + s;
a = Math.floor(a/26);
}
return s;
}
So you can do
$(document).ready(function(){
var select = $("#Number_of_position"), table = $("#Positions_names");
for (var i = 1; i <= 100; i++){
select.append('<option value="'+i+'">'+i+'</option>');
}
select.change(function () {
var rows = '';
for (var i = 0; i < $(this).val(); i++) {
rows += "<tr><td>" + hex(i) + "</td><td><input type='text'></td></tr>";
}
table.html(rows);
});
});
Heres the example http://jsfiddle.net/v2ksyy7L/6/
And if you want it to be uppercase just do
hex(i).toUpperCase();
Also - this will work up to any number of rows that javascript can handle

if i have understood you correctly, that's maybe what you want:
http://jsfiddle.net/v2ksyy7L/3/
I have added an array for the alphabet:
var alphabet = "abcdefghijklmnopqrstuvwxyz".split("");
and then added the output to your "render" loop:
rows += "<tr><td>" + alphabet[i] + " <input type='text'></td></tr>";

Evaluating specific array value using jQuery or JavaScript

I have 160 inputs in my page. I want to add every 8 inputs and output it elsewhere. Instead of manually using
var total1 = inputVals[0] + inputVals[1] + inputVals[2] + inputVals[3] + inputVals[4] + inputVals[5] + inputVals[6] + inputVals[7] + inputVals[8];
I want a function with which you can just specify the starting and ending index like addarray(9, 17) and it will add all the values between and will return it. I prefer the function to be in javascript but jquery is OK.

Suppose you have <input> elements defined as:
<input type="text" class="myInput" />
<input type="text" class="myInput" />
<input type="text" class="myInput" />
...
You can create a method that does the job with the help of jQuery:
function add(start, end) {
var total = 0;
$(".myInput").slice(start, end).each(function() {
total += +this.value;
});
return total;
}
The same method in pure JavaScript will look like:
function add(start, end) {
var total = 0,
inputs = document.getElementsByClassName("myInput");
for (var i = start; i < Math.min(end, inputs.length); i++) [
total += +inputs[i].value;
});
return total;
}

Try
function calcTotal(index) {
var total = 0;
for (var i = 0; i < 9; i++) {
total += inputVals[index + i];
}
return total;
}
var total1 = calcTotal(0);
OR
function calcRangeTotal(index, count) {
var total = 0;
for (var i = 0; i < count; i++) {
total += inputVals[index + i];
}
return total;
}
var total1 = calcRangeTotal(0, 9);

Look at this:
var calculate = function() {
var sum=0;
$("input").each(function(index,element){
sum+=Number($(element).val());
});
alert(sum);
};
$(function(){
$("button").on("click",calculate);
});
Here is th jsFiddle.

var sum = 0;
function caluculate(firstIndex,secondIndex){
for(var i=one;i<secondIndex;i+=8)
sum=parseInt(sum+inputVals[i]);
}

function addarray($start,$end) {
var total = 0;
for(var i = $start; i < $end; i++)
total += inputVals[i];
return total;
}
var myTotal = addarray(9,17);

Value of selected checkbox

I am trying to find the sum of checkbox values (23.75 and 142.75)
Poaten
Checkbox1: 2012-01-17, Porti, 1.760, 23.75
Checkbox2: 2012-01-17, Kopien, 10.560, 142.55
Checkbox3: 2012-01-17, Honorar, 33.600, 453.60
Checkbox4: 2012-01-17, Telefon, 0.640, 8.65
The output is in "Restbetrag". I used the following function but I receive the sum of primary key's value of selected checkbox items in "Posten".
In posten I see four values for each checkbox which are separated by comma. Where should I start to have the 4th value of each clicked checkbox (23.75, 142.55...)? Could you please advice where to find a similar solutions?
Thanks
mpol
function showTotal() {
document.frechnungenadd.x_Restbetrag.value = '';
//document.write("test");
var sum = 0;
var elements = document.getElementsByName("x_Posten[]");
for (i=0;i < elements.length;i++) {
if (elements[i].checked) {
sum = sum + +elements[i].value;
}
}
document.frechnungenadd.x_Restbetrag.value = sum;
}

Not sure if this is what you are looking for...
if (elements[i].checked) {
var myarr = elements[i].value.split(",");
sum += parseFloat(myarr[3]);
}

I solved my problem. Thanks for your support. Here your the code for solution.
Regards
mpol_ch
function showTotal() {
document.frechnungenadd.x_Summe.value = '';
document.frechnungenadd.x_MwSt.value = '';
//document.write("test");
var Summe = 0;
var MwSt = 0
var splitted
var elements = document.getElementsByName("x_Posten[]");
for (i=0;i < elements.length;i++) {
if (elements[i].checked) {
splitted = elements[i].nextSibling.nodeValue.split(",");
MwSt = MwSt+ + parseFloat(splitted[2]);
Summe = Summe+ + parseFloat(splitted[3]);
}
}
document.frechnungenadd.x_MwSt.value = MwSt.toFixed(2);
document.frechnungenadd.x_Summe.value = Summe.toFixed(2);
}
setInterval('showTotal()',1000);