I just want to create a multiplication table using Javascript but I don't want each row to have the same result. I will picture that table I want to be created for my work
In this code, the program will print 9 times
for (a = 1; a <= 9; a++) {
document.write('<div style= "float: left; margin: 25px">')
for (i = 1; i <= 9; i++) {
document.write(a + ' x ' + i + ' = ' + a * i + '</br>');
}
}
I already make a table for multiplication but I don't want to make all print 10 times. I want to make different for each table cell
I want to make like this picture and I'm new with JavaScript
var times = 1;
for (a = 9; a > 0; a--) {
for (i = 9; i > 0 && i > (9 - times); i--) {
document.write(a + ' x ' + i + ' = ' + a * i + ' ');
}
document.write('<br>');
times++;
}
You can simply add this to the second loop for (i = 1; i <= a; i++) that way you'll achieve what you want.
for (a = 1; a <= 9; a++) {
document.write('<div style= "float: left; margin: 5px">')
for (i = 1; i <= a; i++) {
document.write(a + ' x ' + i + ' = ' + a * i + '</br>');
}
}
The simple answer is replace this line for (i=1; i<=9; i++) { with this: for (i=a; i<=9; i++) {
for (a = 1; a <= 9; a++) {
document.write('<div style= "float: left; margin: 25px">')
for (i = a; i <= 9; i++) {
document.write(a + ' x ' + i + ' = ' + a * i + '</br>');
}
}
For having the exact same thing as you posted in your picture, this code do the job :
document.write("<table>");
for (a = 9; a > 0; a--) {
document.write("<tr>")
for (i = 9; i > a - 1; i--) {
document.write('<td>' + a + ' x ' + i + ' = ' + a * i + '</td>');
}
document.write('</tr>')
}
document.write("</table>")
Note the use of decrementing loop to match the order of your picture and the usage of the table
I'm using the following jQuery date range picker library : http://longbill.github.io/jquery-date-range-picker/
I would like to remove / hide all Sundays from all date range pickers while keeping a normal behavior on the date range pickers.
I tried to do something with beforeShowDay option :
beforeShowDay: function(t) {
var valid = t.getDay() !== 0; //disable sunday
var _class = '';
// var _tooltip = valid ? '' : 'weekends are disabled';
return [valid, _class];
}
but it only "disables" all Sundays whereas I want to remove / hide them:
Here's the fiddle I'm working on : https://jsfiddle.net/maximelafarie/dnbd01do/11/
EDIT:
Updated fiddle with #Swanand code: https://jsfiddle.net/maximelafarie/dnbd01do/18/
You could do it with just a little CSS but it does leave a gap:
.week-name th:nth-child(7),
.month1 tbody tr td:nth-child(7) {
display: none;
}
Hope this helps a little.
You need do changes in two functions in your daterangepicker.js file:
createMonthHTML()
function createMonthHTML(d) { var days = [];
d.setDate(1);
var lastMonth = new Date(d.getTime() - 86400000);
var now = new Date();
var dayOfWeek = d.getDay();
if ((dayOfWeek === 0) && (opt.startOfWeek === 'monday')) {
// add one week
dayOfWeek = 7;
}
var today, valid;
if (dayOfWeek > 0) {
for (var i = dayOfWeek; i > 0; i--) {
var day = new Date(d.getTime() - 86400000 * i);
valid = isValidTime(day.getTime());
if (opt.startDate && compare_day(day, opt.startDate) < 0) valid = false;
if (opt.endDate && compare_day(day, opt.endDate) > 0) valid = false;
days.push({
date: day,
type: 'lastMonth',
day: day.getDate(),
time: day.getTime(),
valid: valid
});
}
}
var toMonth = d.getMonth();
for (var i = 0; i < 40; i++) {
today = moment(d).add(i, 'days').toDate();
valid = isValidTime(today.getTime());
if (opt.startDate && compare_day(today, opt.startDate) < 0) valid = false;
if (opt.endDate && compare_day(today, opt.endDate) > 0) valid = false;
days.push({
date: today,
type: today.getMonth() == toMonth ? 'toMonth' : 'nextMonth',
day: today.getDate(),
time: today.getTime(),
valid: valid
});
}
var html = [];
for (var week = 0; week < 6; week++) {
if (days[week * 7].type == 'nextMonth') break;
html.push('<tr>');
for (var day = 0; day < 7; day++) {
var _day = (opt.startOfWeek == 'monday') ? day + 1 : day;
today = days[week * 7 + _day];
var highlightToday = moment(today.time).format('L') == moment(now).format('L');
today.extraClass = '';
today.tooltip = '';
if (today.valid && opt.beforeShowDay && typeof opt.beforeShowDay == 'function') {
var _r = opt.beforeShowDay(moment(today.time).toDate());
today.valid = _r[0];
today.extraClass = _r[1] || '';
today.tooltip = _r[2] || '';
if (today.tooltip !== '') today.extraClass += ' has-tooltip ';
}
var todayDivAttr = {
time: today.time,
'data-tooltip': today.tooltip,
'class': 'day ' + today.type + ' ' + today.extraClass + ' ' + (today.valid ? 'valid' : 'invalid') + ' ' + (highlightToday ? 'real-today' : '')
};
if (day === 0 && opt.showWeekNumbers) {
html.push('<td><div class="week-number" data-start-time="' + today.time + '">' + opt.getWeekNumber(today.date) + '</div></td>');
}
if(day == 0){
html.push('<td class="hideSunday"' + attributesCallbacks({}, opt.dayTdAttrs, today) + '><div ' + attributesCallbacks(todayDivAttr, opt.dayDivAttrs, today) + '>' + showDayHTML(today.time, today.day) + '</div></td>');
}else{
html.push('<td ' + attributesCallbacks({}, opt.dayTdAttrs, today) + '><div ' + attributesCallbacks(todayDivAttr, opt.dayDivAttrs, today) + '>' + showDayHTML(today.time, today.day) + '</div></td>');
}
}
html.push('</tr>');
}
return html.join('');
}
In this function i have added class hideSunday while pushing the element.
The 2nd function is getWeekHead():
function getWeekHead() {
var prepend = opt.showWeekNumbers ? '<th>' + translate('week-number') + '</th>' : '';
if (opt.startOfWeek == 'monday') {
return prepend + '<th>' + translate('week-1') + '</th>' +
'<th>' + translate('week-2') + '</th>' +
'<th>' + translate('week-3') + '</th>' +
'<th>' + translate('week-4') + '</th>' +
'<th>' + translate('week-5') + '</th>' +
'<th>' + translate('week-6') + '</th>' +
'<th class="hideSunday">' + translate('week-7') + '</th>';
} else {
return prepend + '<th class="hideSunday">' + translate('week-7') + '</th>' +
'<th>' + translate('week-1') + '</th>' +
'<th>' + translate('week-2') + '</th>' +
'<th>' + translate('week-3') + '</th>' +
'<th>' + translate('week-4') + '</th>' +
'<th>' + translate('week-5') + '</th>' +
'<th>' + translate('week-6') + '</th>';
}
}
In this file, I have added class to week-7 header.
CSS:
.hideSunday{display:none;}
Please note, I have not checked all the scenario but it will do trick for you.
I finally ended up by letting the Sundays appear (but completely disabling them).
These questions inspired me :
Moment.js - Get all mondays between a date range
Moment.js: Date between dates
So I created a function as follows which returns an array that contains the "sundays" (or whatever day you provide as dayNumber parameter) in the date range you selected:
function getDayInRange(dayNumber, startDate, endDate, inclusiveNextDay) {
var start = moment(startDate),
end = moment(endDate),
arr = [];
// Get "next" given day where 1 is monday and 7 is sunday
let tmp = start.clone().day(dayNumber);
if (!!inclusiveNextDay && tmp.isAfter(start, 'd')) {
arr.push(tmp.format('YYYY-MM-DD'));
}
while (tmp.isBefore(end)) {
tmp.add(7, 'days');
arr.push(tmp.format('YYYY-MM-DD'));
}
// If last day matches the given dayNumber, add it.
if (end.isoWeekday() === dayNumber) {
arr.push(end.format('YYYY-MM-DD'));
}
return arr;
}
Then I call this function in my code like that:
$('#daterange-2')
.dateRangePicker(configObject2)
.bind('datepicker-change', function(event, obj) {
var sundays = getDayInRange(7, moment(obj.date1), moment(obj.date1).add(selectedDatesCount, 'd'));
console.log(sundays);
$('#daterange-2')
.data('dateRangePicker')
.setDateRange(obj.value, moment(obj.date1)
.add(selectedDatesCount + sundays.length, 'd')
.format('YYYY-MM-DD'), true);
});
This way, I retrieve the amount of sundays in the date range I selected. For example, if there's two sundays in my selection (with sundays.length), I know I have to set two additional workdays to the user selection (in the second date range picker).
Here's the working result:
With the above screenshot, you can see the user selected 4 workdays (5 with sunday but we don't count it). Then he click on the second calendar and the 4 workdays automatically apply.
Here's the result if the period apply over a sunday (we add one supplementary day and Xfor X sundays in the period):
Finally, here's the working fiddle: https://jsfiddle.net/maximelafarie/dnbd01do/21/
I want to thank any person that helped me. The question was hard to explain and to understand.
You can also do it by setting a custom css class and use it in beforeShowDay like below
.hideSunDay{
display:none;
}
beforeShowDay: function(t) {
var valid = t.getDay() !== 0; //disable sunday
var _class = t.getDay() !== 0 ? '' : 'hideSunDay';
// var _tooltip = valid ? '' : 'weekends are disabled';
return [valid, _class];
}
But it only hides the sundays beginning from current day.
Here is a working fiddle
https://jsfiddle.net/dnbd01do/16/
I am making a simple time calculator in javascript. I have converted the times into 12-hour instead of 24 hour time for simplicity, however the code I have for calculating am/pm always shows am. Any reason why this would be happening?
Here is my code:
function solveTime(x) {
var suffixSolve = (utcHours + x) % 24;
var suffix = "am";
if (utcHours > 12) {
var suffix = "pm";
}
if (utcMinutes == 0) {
utcMinutesLead = "00";
}
if (utcMinutes < 10) {
utcMinutesLead = "0" + utcMinutes;
}
var timeSolve = (((utcHours + x) + 11) % 12 + 1);
var timeTotal = timeSolve + ":" + utcMinutesLead + " " + suffix;
var utcMod = x;
if (utcMod > 0) {
utcMod = "+" + utcMod;
}
document.getElementById(x).innerHTML = "(UTC" + utcMod + ") " + timeTotal;
}
and here is the code behind utcHours
var masterTimeUTC = new Date();
var utcHours = masterTimeUTC.getUTCHours();
var utcMinutes = masterTimeUTC.getUTCMinutes();
var utcSeconds = masterTimeUTC.getUTCSeconds();
var utcMinutesLead = masterTimeUTC.getUTCMinutes();
Example here: http://codepen.io/markgamb/pen/gwGkbo
The issue is you should be checking whether suffixSolve is greater than 12 instead of utcHours, because utcHours does not change due to the value of x. Since you can shift the hours forward and backwards, I created a variable shift to handle that.
function solveTime(x) {
if (x < 0) {
var shift = 24 + x;
} else {
var shift = x;
}
var suffixSolve = (utcHours + shift) % 24;
var suffix = "am";
if (suffixSolve > 12) {
suffix = "pm";
}
if (utcMinutes == 0) {
utcMinutesLead = "00";
}
if (utcMinutes < 10) {
utcMinutesLead = "0" + utcMinutes;
}
var timeSolve = (((utcHours + x) + 11) % 12 + 1);
var timeTotal = timeSolve + ":" + utcMinutesLead + " " + suffix;
var utcMod = x;
if (utcMod > 0) {
utcMod = "+" + utcMod;
}
document.getElementById(x).innerHTML = "(UTC" + utcMod + ") " + timeTotal;
}
var masterTimeUTC = new Date();
var utcHours = masterTimeUTC.getUTCHours();
var utcMinutes = masterTimeUTC.getUTCMinutes();
var utcSeconds = masterTimeUTC.getUTCSeconds();
var utcMinutesLead = masterTimeUTC.getUTCMinutes();
solveTime(4);
solveTime(0);
solveTime(-8);
<div id="4"></div>
<div id="-8"></div>
<div id="0"></div>
I am trying to add all values of class tmpcpa and place result in final_cpa but final_cpa always return 0.
document.getElementById('cpa' + arr[0]).innerHTML = cpa + '(' + '<label id="tmpcpa">' + tmp_cpa + "</label>" +' For Final' + ')';
var final_cpa = calculate_final_cpa();
console.log(final_cpa);
function calculate_final_cpa() {
var final_cpa = 0;
$('.tmpcpa').each(function () {
if ($(this).val() != 0)
final_cpa += parseInt($(this).text()) || 0;
});
return final_cpa;
}
Surprisingly when i view source code in browser HTML appears as
<label class="tmpcpa">0</label> but when i do inspect element it shows as
<label class="tmpcpa">30.0</label>
Update here is the whole JS. HTML calls process function which ultimately calls calculate_final_cpa()
//"use strict";
function process(arr) {
document.getElementById('txtgrade' + arr[0] + arr[1] + arr[2]).innerHTML = show_grade(document.getElementById('txtpercentage' + arr[0] + arr[1] + arr[2]).value);
if (validateForm(arr)) {
var module_percentage = +document.getElementById('txtpercentage' + arr[0] + arr[1] + arr[2]).value;
var module_credit = +document.getElementById('txtcredit' + arr[0] + arr[1] + arr[2]).innerHTML;
if (!isNaN(module_percentage) || !isNaN(module_credit)) {
module_percentage = 0;
module_credit = 0;
var total_credit_semester = 0;
var sum_module_percentage_x_credit = 0;
for ( i= 2 ; i <= arr[3] + 1 ; i++) {
module_percentage = +document.getElementById('txtpercentage' + arr[0] + arr[1] + i).value;
module_credit = +document.getElementById('txtcredit' + arr[0] + arr[1] + i).innerHTML;
sum_module_percentage_x_credit += module_percentage * module_credit;
total_credit_semester += module_credit;
}
//console.log(module_percentage);
var spa = sum_module_percentage_x_credit / total_credit_semester;
spa = spa.toFixed(1);
document.getElementById('spa' + arr[0] + arr[1]).innerHTML = spa;
calculate_cpa(arr);
}
}
}
function validateForm(arr) {
var isValid = true;
var tbl_id = 'tbl_semester' + arr[0] + arr[1];
$('#' + tbl_id + ' :input').each(function () {
if ($(this).val() === '')
isValid = false;
});
return isValid;
}
function calculate_final_cpa() {
var final_cpa = 0;
$('.tmpcpa').each(function () {
if ($(this).val() != 0)
final_cpa += parseInt($(this).text()) || 0;
});
return final_cpa;
}
/*
* Works for 2 semester per level and 3 year course (optimize later)
*/
function calculate_cpa(arr) {
var isValid = true;
for ( i= 1 ; i <= 2 ; i++) {
var spa = document.getElementById('spa' + arr[0] + i).innerHTML;
if (spa == "N/A") {
isValid = false;
}
}
if (isValid) {
var total_credit_level = 0;
var total_spa_x_credit = 0;
for ( i= 1 ; i <= 2 ; i++) {
var arr2= [arr[0], i];
var spa = +document.getElementById('spa' + arr[0] + i).innerHTML;
total_spa_x_credit += spa * getcredits(arr2);
total_credit_level += getcredits(arr2);
}
var cpa = total_spa_x_credit / total_credit_level;
cpa = cpa.toFixed(1);
document.getElementById('cpa' + arr[0]).innerHTML = cpa;
var level = +document.getElementById('level' + arr[0]).innerHTML
var tmp_cpa = ((level / 100) * cpa).toFixed(1);
document.getElementById('cpa' + arr[0]).innerHTML = cpa + '(' + '<label class="tmpcpa">' + tmp_cpa + "</label>" +' For Final' + ')';
var final_cpa = calculate_final_cpa();
console.log(final_cpa);
if (final_cpa != 0) {
var award = show_award(final_cpa);
document.getElementById('award').innerHTML = award;
document.getElementById('finalcpa').innerHTML = final_cpa;
}
}
}
function getcredits(arr) {
var sum = 0;
var tbl_id = 'tbl_semester' + arr[0] + arr[1];
$('#' + tbl_id + ' .sum').each(function () {
sum += parseInt($(this).text())||0;
});
return sum;
}
function show_grade(module_percentage) {
if (isNaN(module_percentage)) {
return 'N/A';
}
if (module_percentage >= 70 && module_percentage <= 100) {
return 'A';
} else if (module_percentage >= 60 && module_percentage < 70) {
return 'B';
} else if (module_percentage >= 50 && module_percentage < 60) {
return 'C';
} else if (module_percentage >= 40 && module_percentage < 50) {
return 'D';
} else {
return 'F';
}
}
function show_award(cpa) {
if (isNaN(cpa)) {
return 'N/A';
}
if (cpa >= 70 && cpa <= 100) {
return 'First Class with Honours';
} else if (cpa >= 60 && cpa < 70) {
return 'Second Class First Division with Honours';
} else if (cpa >= 50 && cpa < 60) {
return 'Second Class Second Division with Honours';
} else if (cpa >= 45 && cpa < 50) {
return 'Third Class with Honours';
} else if (cpa >= 40 && cpa < 45) {
return 'Pass';
} else if (cpa < 40) {
return 'No award';
}
}
you need to be sure you are calling the function after the document is ready.
Also, you are using unassigned value.
</body>
<script>
function calculate_final_cpa() {
var final_cpa = 0;
$('.tmpcpa').each(function () {
if ($(this).val() != 0)
final_cpa += parseInt($(this).text()) || 0;
});
return final_cpa;
}
$(document).ready(function(){
var final_cpa = calculate_final_cpa();
document.getElementById('cpa' + arr[0]).innerHTML = cpa + '(' + '<label id="tmpcpa">' + final_cpa + "</label>" +' For Final' + ')';
console.log(final_cpa);
});
</script>
Calendar displays some weird dates. Rhe month date is supposed to start at friday but starts on tuesday: http://img515.imageshack.us/img515/2927/cal.jpg.
<SCRIPT LANGUAGE="JavaScript">
monthnames = new Array("January","Februrary","March","April","May","June","July","August","September","October","November","December");
var linkcount=0;
function addlink(month, day, href)
{
var entry = new Array(3);
entry[0] = month;
entry[1] = day;
entry[2] = href;
this[linkcount++] = entry;
}
Array.prototype.addlink = addlink;
linkdays = new Array();
monthdays = new Array(12);
monthdays[0]=31;
monthdays[1]=28;
monthdays[2]=31;
monthdays[3]=30;
monthdays[4]=31;
monthdays[5]=30;
monthdays[6]=31;
monthdays[7]=31;
monthdays[8]=30;
monthdays[9]=31;
monthdays[10]=30;
monthdays[11]=31;
todayDate=new Date();
thisday=todayDate.getDay();
thismonth=todayDate.getMonth();
thisdate=todayDate.getDate();
thisyear=todayDate.getYear();
thisyear = thisyear % 100;
thisyear = ((thisyear < 50) ? (2000 + thisyear) : (1900 + thisyear));
if (((thisyear % 4 == 0) && !(thisyear % 100 == 0)) || (thisyear % 400 == 0))
{
monthdays[0]++;
}
startspaces=thisdate;
while (startspaces > 7)
{
startspaces-=7;
startspaces = thisday - startspaces + 1;
}
while (startspaces < 0) {
startspaces += 7;
}
document.write("<table border=1 bgcolor=white ");
document.write("bordercolor=black><font color=black>");
document.write("<tr><td colspan=7><center><strong>" + monthnames[thismonth] + " " + thisyear + "</strong></center></font></td></tr>"); document.write("<tr>");
document.write("<td align=center>Su</td>");
document.write("<td align=center>M</td>");
document.write("<td align=center>Tu</td>");
document.write("<td align=center>W</td>");
document.write("<td align=center>Th</td>");
document.write("<td align=center>F</td>");
document.write("<td align=center>Sa</td>");
document.write("</tr>");
document.write("<tr>");
for (s=0;s<startspaces;s++)
{
document.write("<td> </td>");
}
count=1;
while (count <= monthdays[thismonth])
{
for (b = startspaces;b<7;b++)
{
linktrue=false;
document.write("<td>");
for (c=0;c<linkdays.length;c++)
{
if (linkdays[c] != null)
{
if ((linkdays[c][0]==thismonth + 1) && (linkdays[c][2]==count))
{
document.write("<a href=\"" + linkdays[c][2] + "\">"); linktrue=true;
}
}
}
if (count==thisdate)
{
document.write("<font color='FF0000'><strong>");
}
if (count <= monthdays[thismonth])
{ document.write(count);
}
else { document.write(" ");
}
if (count==thisdate)
{ document.write("</strong></font>");
}
if (linktrue) { document.write("</a>");
}
document.write("</td>"); count++;
}
document.write("</tr>");
document.write("<tr>");
startspaces=0;
}
document.write("</table></p>");
</SCRIPT>
I can't seem to follow the code because I'm just new with javascript and programming, got this code from here: http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=2608&lngWId=2
The calculations in this code are just plain wrong. I suggest you don't bother fixing it. Instead, use a reliable calendar that is widely used like the jQuery UI datepicker