Develop Reference

detect when 2 calendar values changed

I am making a financial report where user choose 2 dates search_date1 and search_date2, and then a monthly report is generated.
I created first a daily report with only one calendar and when it is changed I apply some AJAX script to it and it works correctly:
var myApp = {};
myApp.search_date = "";
document.getElementById('search_date').onchange = function (e) {
if (this.value != myApp.search_date) {
var d = $("#search_date").val();
$.ajax({
...
});
}
}
Now I can't know how to detect if both calendars are changed to apply AJAX script according to their values.
EDIT
Is it correct to do the following:
var myApp = {};
myApp.search_date1 = "";
myApp.search_date2 = "";
document.getElementById('search_date1').onchange = function (e) {
if (this.value != myApp.search_date1) {
var d1 = $("#search_date1").val();
document.getElementById('search_date2').onchange = function (e) {
if (this.value != myApp.search_date2) {
var d2 = $("#search_date2").val();
$.ajax({
...
})
}
});
}
});

try this:
var temp = {
from: null,
to: null
}
document.getElementById('from').onchange = function(e){
temp.from = e.target.value;
goAjax();
}
document.getElementById('to').onchange = function(e){
temp.to = e.target.value;
goAjax();
}
function goAjax(){
if(temp.from && temp.to && new Date(temp.from) < new Date(temp.to)){
//do ajax call
console.log('valid')
}
}
<input type="date" id='from'/>
<br>
<input type="date" id='to'/>

I would have captured the change event for both elements :
$("#search_date1, #search_date2").on('change',function(){
var d1 = $("#search_date1").val();
var d2 = $("#search_date2").val();
$.ajax({...});
});

What you do in your edit may work, but it would be better (and easier) do something like this
var myApp = {};
myApp.original_search_date1 = $("#search_date1").val();
myApp.original_search_date2 = $("#search_date2").val();
myApp.search_date1 = $("#search_date1").val();
myApp.search_date2 = $("#search_date2").val();
document.getElementById('search_date1').onchange = function (e) {
if ($("#search_date1").val() != myApp.search_date1) {
myApp.search_date1 = $("#search_date1").val();
sendAjax();
}
});
document.getElementById('search_date2').onchange = function (e) {
if ($("#search_date2").val() != myApp.search_date2) {
myApp.search_date2 = $("#search_date2").val();
sendAjax();
}
});
function sendAjax() {
if (myApp.original_search_date1 !== myApp.search_date1 &&
myApp.original_search_date2 !== myApp.search_date2) {
$.ajax({
...
});
}
}

Cant you just set a variable to check if its been changed with true/false then run the script if both variables are true.
Something like,
var searchOneToggled = false,
searchTwoToggled = false;
$('#search_date_one').on('input', function() {
searchOneToggled = true;
runYourFunction();
});
$('#search_date_two').on('input', function() {
searchTwoToggled = true;
runYourFunction();
});
function runYourFunction() {
if(searchOneToggled === true && searchTwoToggled === true) {
alert('hello world');
}
}

HTML button that's submitting an empty field even though it shouldn't be

Here's the HTML button I'm working with:
<b>Other: </b><input type="number" id="AmntValue" data-target-element-id="SubmitAmnt" data-target-parameter="Amnt" onchange="setValueOnTarget(this);' +/* ' enableButton(SubmitAmnt);' */+ '">
<button class="button2" id="SubmitAmnt" type="button" data-redirect-src="https://hub.deltasigmapi.org/donations/donations.aspx?appealid=1989&NumberOfPaymentsDisplay=0&GiftRecurrenceDisplay=0&GiftRecurrence=onetime&GiftAmount=" onclick="disableButton(this); addValueToQueryString(this); redirectPage(this);">Continue To Payment</button>
When someone hits the button but the "Other" text field is blank, it's supposed to not redirect and instead show an error message. Right now the error message displays, but only for a quick moment before it redirects anyway.
Here is my complete JavaScript code:
function setValueOnTarget(sourceElem) {
var targetId = sourceElem.getAttribute('data-target-element-id');
if (targetId) {
var targetElem = document.getElementById(targetId);
if (targetElem) {
var valueToSet;
var parameterToSet;
if (sourceElem.nodeName.toUpperCase() == 'SELECT') {
valueToSet = sourceElem.options[sourceElem.selectedIndex].value;
}
if (sourceElem.nodeName.toUpperCase() == 'INPUT') {
if (sourceElem.type.toUpperCase() == 'NUMBER' || sourceElem.type.toUpperCase() == 'TEXT') {
valueToSet = sourceElem.value;
}
}
targetElem.setAttribute('data-value-set-by-other-element', valueToSet);
parameterToSet = sourceElem.getAttribute('data-target-parameter');
targetElem.setAttribute('data-target-parameter', parameterToSet);
EnableButton(targetElem)
}
}
}
function disableButton(btn) {
btn.disabled = true;
}
function EnableButton(btn) {
btn.disabled = false;
}
function addValueToQueryString(elem) {
var src = elem.getAttribute('data-redirect-src');
var newValue = elem.getAttribute('data-value-set-by-other-element');
var parameter = elem.getAttribute('data-target-parameter');
if (newValue && parameter) {
if (src && newValue && parameter) {
var newSrc;
newSrc = src + newValue;
elem.setAttribute('data-redirect-src', newSrc);
} else {
displayError('Could not find the URL to redirect to');
}
} else {
displayError('No value or parameter has been set. Please set a proper value.');
}
}
function redirectPage(elem) {
var src = elem.getAttribute('data-redirect-src');
window.location = src;
}
function displayError(message) {
var userMessage = document.getElementById('userMessage');
userMessage.innerHTML = message;
userMessage.style.backgroundColor = 'red';
userMessage.style.color = 'white';
userMessage.style.display = 'block';
}
function displaySuccess(message) {
var userMessage = document.getElementById('userMessage1');
userMessage.innerHTML = message;
userMessage.style.backgroundColor = 'green';
userMessage.style.color = 'white';
userMessage.style.display = 'block';
}
I'm not sure if something's wrong with the code I put in the button or in the JavaScript.

Disable button by default
The button should be disabled by default, and should only be enabled when the expected input value is detected. It appears you already have a mechanism for this in your example, but you have some impediments to overcome first:
button should be disabled by default. Do this in the HTML:<button disabled …>Continue To Payment</button>
input's onchange handler should just call setValueOnTarget(), because this function already calls EnableButton(). In the HTML:<input onchange="setValueOnTarget(this);" … >
Remove the call to redirectPage() from the button's onclick handler and move it into addValueToQueryString() after you have assigned a value to newSrc.
Add a call to EnableButton() after you call displayError() in cases where you want to allow the user to modify the input and try again.
For example:
function setValueOnTarget(sourceElem) {
var targetId = sourceElem.getAttribute('data-target-element-id');
if (targetId) {
var targetElem = document.getElementById(targetId);
console.log(targetElem);
if (targetElem) {
var valueToSet;
var parameterToSet;
if (sourceElem.nodeName.toUpperCase() == 'SELECT') {
valueToSet = sourceElem.options[sourceElem.selectedIndex].value;
}
if (sourceElem.nodeName.toUpperCase() == 'INPUT') {
if (sourceElem.type.toUpperCase() == 'NUMBER' || sourceElem.type.toUpperCase() == 'TEXT') {
valueToSet = sourceElem.value;
}
}
targetElem.setAttribute('data-value-set-by-other-element', valueToSet);
parameterToSet = sourceElem.getAttribute('data-target-parameter');
targetElem.setAttribute('data-target-parameter', parameterToSet);
EnableButton(targetElem);
}
}
}
function disableButton(btn) {
btn.disabled = true;
}
function EnableButton(btn) {
btn.disabled = false;
}
function addValueToQueryString(elem) {
var src = elem.getAttribute('data-redirect-src');
var newValue = elem.getAttribute('data-value-set-by-other-element');
var parameter = elem.getAttribute('data-target-parameter');
if (newValue && parameter) {
if (src && newValue && parameter) {
var newSrc;
newSrc = src + newValue;
elem.setAttribute('data-redirect-src', newSrc);
redirectPage(elem);
} else {
displayError('Could not find the URL to redirect to');
}
} else {
displayError('No value or parameter has been set. Please set a proper value.');
EnableButton(elem);
}
}
function redirectPage(elem) {
var src = elem.getAttribute('data-redirect-src');
window.location = src;
}
function displayError(message) {
var userMessage = document.getElementById('userMessage');
userMessage.innerHTML = message;
userMessage.style.backgroundColor = 'red';
userMessage.style.color = 'white';
userMessage.style.display = 'block';
}
<b>Other: </b>
<input
type="number"
id="AmntValue"
data-target-element-id="SubmitAmnt"
data-target-parameter="Amnt"
onchange="setValueOnTarget(this);">
<button
disabled
class="button2"
id="SubmitAmnt"
type="button"
data-redirect-src="https://hub.deltasigmapi.org/donations/donations.aspx?appealid=1989&NumberOfPaymentsDisplay=0&GiftRecurrenceDisplay=0&GiftRecurrence=onetime&GiftAmount="
onclick="disableButton(this); addValueToQueryString(this);">Continue To Payment</button>
<div id="userMessage"></div>

fullscreen api not working for IE

I am trying to display content in full screen in IE using Full Screen API everything works fine except IE below is code, any help would be great.thank you in advance.
JAVASCRIPT CODE:
(function() {
var
fullScreenApi = {
supportsFullScreen: false,
isFullScreen: function() { return false; },
requestFullScreen: function() {},
cancelFullScreen: function() {},
fullScreenEventName: '',
prefix: ''
},
browserPrefixes = 'webkit moz o ms khtml'.split(' ');
// check for native support
if (typeof document.cancelFullScreen != 'undefined') {
fullScreenApi.supportsFullScreen = true;
} else {
// check for fullscreen support by vendor prefix
for (var i = 0, il = browserPrefixes.length; i < il; i++ ) {
fullScreenApi.prefix = browserPrefixes[i];
if (typeof document[fullScreenApi.prefix + 'CancelFullScreen' ] != 'undefined' ) {
fullScreenApi.supportsFullScreen = true;
break;
}
}
}
// update methods to do something useful
if (fullScreenApi.supportsFullScreen) {
fullScreenApi.fullScreenEventName = fullScreenApi.prefix + 'fullscreenchange';
fullScreenApi.isFullScreen = function() {
switch (this.prefix) {
case '':
return document.fullScreen;
case 'webkit':
return document.webkitIsFullScreen;
default:
return document[this.prefix + 'FullScreen'];
}
}
fullScreenApi.requestFullScreen = function(el) {
return (this.prefix === '') ? el.requestFullScreen() : el[this.prefix + 'RequestFullScreen']();
}
fullScreenApi.cancelFullScreen = function(el) {
return (this.prefix === '') ? document.cancelFullScreen() : document[this.prefix + 'CancelFullScreen']();
}
}
// jQuery plugin
if (typeof jQuery != 'undefined') {
jQuery.fn.requestFullScreen = function() {
return this.each(function() {
var el = jQuery(this);
if (fullScreenApi.supportsFullScreen) {
fullScreenApi.requestFullScreen(el);
}
});
};
}
// export api
window.fullScreenApi = fullScreenApi;
})();
</script>
<script>
var fsButton = document.getElementById('fsbutton');
var fsElement = document.getElementById('container');
if (window.fullScreenApi.supportsFullScreen) {
// handle button click
fsButton.addEventListener('click', function() {
//alert(fsElement);
window.fullScreenApi.requestFullScreen(fsElement);
//alert("hi");
}, true);
fsElement.addEventListener(fullScreenApi.fullScreenEventName, function() {
if (fullScreenApi.isFullScreen()) {
alert("yes");
//fsStatus.innerHTML = 'Whoa, you went fullscreen';
} else {
alert("no");
// fsStatus.innerHTML = 'Back to normal';
}
}, true);
} else {
alert("no");
// fsStatus.innerHTML = 'SORRY: Your browser does not support FullScreen';
}
</script>
HTML CODE:
<div>
<div id="container" >
..... content goes here
</div>
<input type="button" id="fsbutton" title="View Full Screen">
</div>

I didn't try it but I think that it's because IE doesn't use the camelCase for "Fullscreen" in "cancelFullscreen" and "requestFullscreen", which is the actual live standard recommandation btw.
Other browsers are wrong this time.

Use google analytics to capture touch events in a slider?

So I been trying to track mobile swipes where inside the slider there is other swipes. Look the image below. The code you see attached is part of my Google Analytics events tracking code.
Here is my code:
// Shop buttons
jQuery('.shop-btn-group a').click(function(event) {
var clickedLink = jQuery(this);
var gaqArgs = ['_trackEvent', 'Shop'];
var validShopLink = false;
if ( clickedLink.hasClass('shop-women') ) {
validShopLink = true;
gaqArgs.push('Click-Shop');
}
if (this.rel) {
gaqArgs.push(this.rel);
}
if (validShopLink) {
// Check if the user is using a keyboard command to open the link in a new tab
if (event.metaKey || event.ctrlKey || event.shiftKey) {
try {
_gaq.push(gaqArgs);
}
catch(err) {}
return;
}
else {
event.preventDefault();
try {
_gaq.push(gaqArgs);
_gaq.push(function() {
document.location = clickedLink[0].href;
});
}
catch(err) {
document.location = this.href;
}
}
}
});
// Product click
jQuery('.image-wrap a').click(function(event) {
var clickedLink = jQuery(this);
var gaqArgs = ['_trackEvent', 'Shop'];
var validShopLink = false;
if ( clickedLink.hasClass('frame-image') ) {
validShopLink = true;
gaqArgs.push('Click-Product');
}
if (this.rel) {
gaqArgs.push(this.rel);
}
if (validShopLink) {
// Check if the user is using a keyboard command to open the link in a new tab
if (event.metaKey || event.ctrlKey || event.shiftKey) {
try {
_gaq.push(gaqArgs);
}
catch(err) {}
return;
}
else {
event.preventDefault();
try {
_gaq.push(gaqArgs);
_gaq.push(function() {
document.location = clickedLink[0].href;
});
}
catch(err) {
document.location = this.href;
}
}
}
});
// Color dots
jQuery('.color-dots .dot').click(function(event) {
var dot = jQuery(this);
var colorIndex = dot.index();
var sku = null;
try {
var link = dot.closest('.color-dots')
.siblings('.btn-wrapper')
.eq(0)
.find('.shop-btn-group')
.eq(colorIndex)
.children('a')
.eq(0);
if ( link[0].rel ) {
sku = link[0].rel;
}
}
catch(err) {}
if (sku) {
try {
_gaq.push(['_trackEvent', 'Shop', 'Click-Color', sku]);
}
catch(err) {}
}
});
Any help will be awesome thanks in advance.

Exit Popup not working

I'm trying to get an exit popup to work. When user closes browser, it asks them if they want to stay or not, and in the background, it starts to redirect already.
This code works in Firefox, but not in Chrome and Opera.
In Chrome, the popup appears but no redirect happens.
In Opera, the popup doesn't appear at all.
function DisableExitTraffic() {
PreventExitSplash = true;
}
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
}
else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
function addClickEvent(a, i, func) {
if (typeof a[i].onclick != 'function') {
a[i].onclick = func;
}
}
theBody = document.body;
if (!theBody) {
theBody = document.getElementById("body");
if (!theBody) {
theBody = document.getElementsByTagName("body")[0];
}
}
var PreventExitSplash = false;
var LightwindowOpening = false;
function DisplayExitSplash() {
if (PreventExitSplash == false) {
window.scrollTo(0, 0);
window.alert(exitsplashalertmessage);
PreventExitSplash = true;
document.location.href = RedirectUrl;
return exitsplashmessage;
}
}
var a = document.getElementsByTagName('A');
for (var i = 0; i < a.length; i++) {
if (a[i].target !== '_blank') {
addClickEvent(a, i, function() {
PreventExitSplash = true;
});
}
else {
addClickEvent(a, i, function() {
PreventExitSplash = false;
});
}
}
disablelinksfunc = function() {
var a = document.getElementsByTagName('A');
for (var i = 0; i < a.length; i++) {
if (a[i].target !== '_blank') {
addClickEvent(a, i, function() {
PreventExitSplash = true;
});
}
else {
addClickEvent(a, i, function() {
PreventExitSplash = false;
});
}
}
}
addLoadEvent(disablelinksfunc);
disableformsfunc = function() {
var f = document.getElementsByTagName('form');
for (var i = 0; i < f.length; i++) {
if (!f[i].onclick) {
f[i].onclick = function() {
if (LightwindowOpening == false) {
PreventExitSplash = true;
}
}
}
else if (!f[i].onsubmit) {
f[i].onsubmit = function() {
PreventExitSplash = true;
}
}
}
}
addLoadEvent(disableformsfunc);
window.onbeforeunload = DisplayExitSplash;
var exitsplashalertmessage = '>>> W A I T ! <<<\n\nCongratulations!\nYour IP-address is selected, you could be a winner\n';
var exitsplashmessage = '>>> CONGRATULATIONS <<<\n\nClick the **CANCEL** button to select your prize!\n';
var RedirectUrl = 'http://google.com';

So you want to redirect the user inside an onbeforeunload event.
It looks like this answer could help you.
Code snippet:
window.onbeforeunload = function(){
location.assign('http://www.google.com');
return "go to google instead?";
}
You probably won't ever get exactly what you want, but you'll at least display a prompt, and if the user clicks on OK, it should redirect.

The easiest, and for everyone most satisfying answer to this question is: don't do that! If a user closes a browser that is the most powerful expression of "i really don't want to stay anymore" so why ask them again?
The only thing worse on the internet are those annoying sites where you click the back button and can't leave the page.
So please don't do such evil evil things with programming.