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Disable background scrolling when a modal is enabled

I am using a template with the following code to handle scrolling:
Here is the template.
This is the javascript code for scrolling, I can post the html and css if needed but it is large.
// #codekit-prepend "/vendor/hammer-2.0.8.js";
$( document ).ready(function() {
// DOMMouseScroll included for firefox support
var canScroll = true,
scrollController = null;
$(this).on('mousewheel DOMMouseScroll', function(e){
if (!($('.outer-nav').hasClass('is-vis'))) {
e.preventDefault();
var delta = (e.originalEvent.wheelDelta) ? -e.originalEvent.wheelDelta : e.originalEvent.detail * 20;
if (delta > 50 && canScroll) {
canScroll = false;
clearTimeout(scrollController);
scrollController = setTimeout(function(){
canScroll = true;
}, 800);
updateHelper(1);
}
else if (delta < -50 && canScroll) {
canScroll = false;
clearTimeout(scrollController);
scrollController = setTimeout(function(){
canScroll = true;
}, 800);
updateHelper(-1);
}
}
});
$('.side-nav li, .outer-nav li').click(function(){
if (!($(this).hasClass('is-active'))) {
var $this = $(this),
curActive = $this.parent().find('.is-active'),
curPos = $this.parent().children().index(curActive),
nextPos = $this.parent().children().index($this),
lastItem = $(this).parent().children().length - 1;
updateNavs(nextPos);
updateContent(curPos, nextPos, lastItem);
}
});
$('.cta').click(function(){
var curActive = $('.side-nav').find('.is-active'),
curPos = $('.side-nav').children().index(curActive),
lastItem = $('.side-nav').children().length - 1,
nextPos = lastItem;
updateNavs(lastItem);
updateContent(curPos, nextPos, lastItem);
});
// swipe support for touch devices
var targetElement = document.getElementById('viewport'),
mc = new Hammer(targetElement);
mc.get('swipe').set({ direction: Hammer.DIRECTION_VERTICAL });
mc.on('swipeup swipedown', function(e) {
updateHelper(e);
});
$(document).keyup(function(e){
if (!($('.outer-nav').hasClass('is-vis'))) {
e.preventDefault();
updateHelper(e);
}
});
// determine scroll, swipe, and arrow key direction
function updateHelper(param) {
var curActive = $('.side-nav').find('.is-active'),
curPos = $('.side-nav').children().index(curActive),
lastItem = $('.side-nav').children().length - 1,
nextPos = 0;
if (param.type === "swipeup" || param.keyCode === 40 || param > 0) {
if (curPos !== lastItem) {
nextPos = curPos + 1;
updateNavs(nextPos);
updateContent(curPos, nextPos, lastItem);
}
else {
updateNavs(nextPos);
updateContent(curPos, nextPos, lastItem);
}
}
else if (param.type === "swipedown" || param.keyCode === 38 || param < 0){
if (curPos !== 0){
nextPos = curPos - 1;
updateNavs(nextPos);
updateContent(curPos, nextPos, lastItem);
}
else {
nextPos = lastItem;
updateNavs(nextPos);
updateContent(curPos, nextPos, lastItem);
}
}
}
// sync side and outer navigations
function updateNavs(nextPos) {
$('.side-nav, .outer-nav').children().removeClass('is-active');
$('.side-nav').children().eq(nextPos).addClass('is-active');
$('.outer-nav').children().eq(nextPos).addClass('is-active');
}
// update main content area
function updateContent(curPos, nextPos, lastItem) {
$('.main-content').children().removeClass('section--is-active');
$('.main-content').children().eq(nextPos).addClass('section--is-active');
$('.main-content .section').children().removeClass('section--next section--prev');
if (curPos === lastItem && nextPos === 0 || curPos === 0 && nextPos === lastItem) {
$('.main-content .section').children().removeClass('section--next section--prev');
}
else if (curPos < nextPos) {
$('.main-content').children().eq(curPos).children().addClass('section--next');
}
else {
$('.main-content').children().eq(curPos).children().addClass('section--prev');
}
if (nextPos !== 0 && nextPos !== lastItem) {
$('.header--cta').addClass('is-active');
}
else {
$('.header--cta').removeClass('is-active');
}
}
function workSlider() {
$('.slider--prev, .slider--next').click(function() {
var $this = $(this),
curLeft = $('.slider').find('.slider--item-left'),
curLeftPos = $('.slider').children().index(curLeft),
curCenter = $('.slider').find('.slider--item-center'),
curCenterPos = $('.slider').children().index(curCenter),
curRight = $('.slider').find('.slider--item-right'),
curRightPos = $('.slider').children().index(curRight),
totalWorks = $('.slider').children().length,
$left = $('.slider--item-left'),
$center = $('.slider--item-center'),
$right = $('.slider--item-right'),
$item = $('.slider--item');
$('.slider').animate({ opacity : 0 }, 400);
setTimeout(function(){
if ($this.hasClass('slider--next')) {
if (curLeftPos < totalWorks - 1 && curCenterPos < totalWorks - 1 && curRightPos < totalWorks - 1) {
$left.removeClass('slider--item-left').next().addClass('slider--item-left');
$center.removeClass('slider--item-center').next().addClass('slider--item-center');
$right.removeClass('slider--item-right').next().addClass('slider--item-right');
}
else {
if (curLeftPos === totalWorks - 1) {
$item.removeClass('slider--item-left').first().addClass('slider--item-left');
$center.removeClass('slider--item-center').next().addClass('slider--item-center');
$right.removeClass('slider--item-right').next().addClass('slider--item-right');
}
else if (curCenterPos === totalWorks - 1) {
$left.removeClass('slider--item-left').next().addClass('slider--item-left');
$item.removeClass('slider--item-center').first().addClass('slider--item-center');
$right.removeClass('slider--item-right').next().addClass('slider--item-right');
}
else {
$left.removeClass('slider--item-left').next().addClass('slider--item-left');
$center.removeClass('slider--item-center').next().addClass('slider--item-center');
$item.removeClass('slider--item-right').first().addClass('slider--item-right');
}
}
}
else {
if (curLeftPos !== 0 && curCenterPos !== 0 && curRightPos !== 0) {
$left.removeClass('slider--item-left').prev().addClass('slider--item-left');
$center.removeClass('slider--item-center').prev().addClass('slider--item-center');
$right.removeClass('slider--item-right').prev().addClass('slider--item-right');
}
else {
if (curLeftPos === 0) {
$item.removeClass('slider--item-left').last().addClass('slider--item-left');
$center.removeClass('slider--item-center').prev().addClass('slider--item-center');
$right.removeClass('slider--item-right').prev().addClass('slider--item-right');
}
else if (curCenterPos === 0) {
$left.removeClass('slider--item-left').prev().addClass('slider--item-left');
$item.removeClass('slider--item-center').last().addClass('slider--item-center');
$right.removeClass('slider--item-right').prev().addClass('slider--item-right');
}
else {
$left.removeClass('slider--item-left').prev().addClass('slider--item-left');
$center.removeClass('slider--item-center').prev().addClass('slider--item-center');
$item.removeClass('slider--item-right').last().addClass('slider--item-right');
}
}
}
}, 400);
$('.slider').animate({ opacity : 1 }, 400);
});
}
function transitionLabels() {
$('.work-request--information input').focusout(function(){
var textVal = $(this).val();
if (textVal === "") {
$(this).removeClass('has-value');
}
else {
$(this).addClass('has-value');
}
// correct mobile device window position
window.scrollTo(0, 0);
});
}
outerNav();
workSlider();
transitionLabels();
});
How can I disable this code so the background doesn't scroll when an elements display is set to "block" meaning a modal is present?
Sorry for being vague if you need more specifics let me know!
EDIT 1:
I have tried disabled the div using:
$(".l-viewport").attr('disabled','disabled');
I have set the z-index of the model above all else

you can create a class HideScroll in your css:
.HideScroll {
overflow-y: hidden !important;
overflow-x: hidden !important;
}
The in the code that displays your modal, add this css to your main div:
$('.yourMainDivClass').addClass('HideScroll')
upon modal close, remove the class:
$('.yourMainDivClass').removeClass('HideScroll')
you can also use jquery toggleClass function.
OR
you can wrap your main div inside <fieldset> and set it's disabled attribute to true:
<fieldset id="fs-1">
<div id="yourMainDiv"></div>
</fieldset>
upon showing modal:
$('#fs-1').attr('disabled', true);
upon closing modal:
$('#fs-1').removeAttr('disabled');

Creating and calling helper / reusable functions

Here is my code, simply I am retrieving an array from the back end, and displaying in a select element, and just checking if an attribute is true then I show an input of expiry date, else I hide it
this is working code...all I need to do is just simplify, just need to create 2 helper/ reusable functions so I can call them ... because as you can see, there is repetitive code...
I tried splitting them to two functions, one to search if this item actually exists and if so it returns the item, if not it returns false...and the other will check if that item actually expires and if it does, it shows the form input of expiry date, else it hides it
any help would be appreciated. Thanks,
$(document).ready(function() {
$('#expiryDate_input').hide();
var allItems = {!! json_encode($items->toArray()) !!};
var arrayItemId = $('#item').val();
for (i=0; i < allItems.length; i++) {
var selectedItemid = allItems[i].id;
if (selectedItemid == arrayItemId){
if(allItems[i].expires) {
$('#expiryDate_input').show();
}
else {
$('#expiryDate_input').hide();
}
}
}
$("#item").change(function() {
var currentItemId = $(this).val();
if (currentItemId == '') {
$('#expiryDate_input').hide();
}
for (i=0; i < allItems.length; i++) {
var arrayItemId = allItems[i].id;
if (currentItemId == arrayItemId){
if(allItems[i].expires) {
$('#expiryDate_input').show();
}
else {
$('#expiryDate_input').hide();
}
}
}
});
});
function search(id) {
for (i=0; i < allItems.length; i++) {
var arrayItemId = allItems[i].id;
if (currentItemId == arrayItemId){
} return allItems[i];
else { return false
}
}
}
function showHide(item) {
if(item.expires) {
$('#expiryDate_input').show();
}
else {
$('#expiryDate_input').hide();
}
}
}

$(document).ready(function() {
function showHide(item) {
if(item.expires) {
$('#expiryDate_input').show();
}
else {
$('#expiryDate_input').hide();
}
}
function search(id) {
for (i=0; i < allItems.length; i++) {
var arrayItemId = allItems[i].id;
if (id == arrayItemId){
showHide( allItems[i]);
}
}
}
$('#expiryDate_input').hide();
var allItems = {!! json_encode($items->toArray()) !!};
var arrayItemId = $('#item').val();
search(arrayItemId);
}
$("#item").change(function() {
var currentItemId = $(this).val();
if (currentItemId == '') {
$('#expiryDate_input').hide();
}
search(currentItemId);
});
});

JavaScript Query on Optionset

How can I save the remaining optionset items after removing an item from the list? Is there any other way of adding the removed option from an optionset in XRM?
function func1() {
var A1 = Xrm.Page.getAttribute("attribute1").getValue();
var B1 = Xrm.Page.getAttribute("attribute2").getValue();
var PickListA1 = Xrm.Page.getControl("attribute1");
var PickListA1Options = PickListA1.getAttribute().getOptions();
var j = 0;
if (B1 == "3") {
if (A1 == "1") {
PickListA1.clearOptions();
for (var i in PickListA1Options) {
if (PickListA1Options[i].value != "null") {
PickListA1.addOption(PickListA1Options[i]);
}
}
}
PickListA1.removeOption(1);
}
else {
PickListA1.getAttribute().setvalue(A1);
for (var i in PickListA1Options) {
if (PickListA1Options[i].value == "1") {
break;
}
else {
j++;
}
}
if (j > 1) {
PickListA1.addOption(PickListA1Options[1]);
}
}
}

clearInterval is not clearing

Take a look at the function below, It purpose is to change the button text
to "Abort", "Abort 0", "Abort 1" and so on.
Once the counter reaches 10 another function should be executed, but if
the button is clicked, the counter should stop, and the button text should return
to it's original value ("Sync DB").
It seems I'm trying to clear out the interval in a wrong way.
Any assistance will be appreciated.
function sync_database(abort)
{
if (abort == true) { sync_db_btn.innerHTML = "Sync DB"; return false }
sync_db_btn.innerHTML = "Abort"
var i = 0;
sync_db_btn.addEventListener("click", function() { sync_database(true) } );
var x = setInterval(function() {
if (abort == true) {
clearInterval(x);
}
if (i < 10) {
sync_db_btn.innerHTML = "Abort " + i++;
}
}, 1000);
}

var x;
sync_db_btn.addEventListener("click", function() {
sync_database(true);
clearInterval(x);
} );
function sync_database(abort)
{
if (abort == true) { sync_db_btn.innerHTML = "Sync DB"; return false }
sync_db_btn.innerHTML = "Abort"
var i = 0;
x = setInterval(function() {
if (i < 10) {
sync_db_btn.innerHTML = "Abort " + i++;
}
}, 1000);
}

I think you need something like this:
var sync_db_btn = document.getElementById('but'),
abortSync = -1,
interval,
sync_database = function () {
var i = 0;
abortSync *= -1;
if (abortSync < 0) {
sync_db_btn.innerHTML = 'Sync DB';
clearInterval(interval);
return false;
}
sync_db_btn.innerHTML = 'Abort';
interval = setInterval(function () {
if (i < 10) {
sync_db_btn.innerHTML = 'Abort ' + i++;
} else {
sync_db_btn.innerHTML = 'Sync DB';
clearInterval(interval);
abortSync = -1;
}
}, 1000);
};
sync_db_btn.addEventListener('click', sync_database);
A live demo at jsFiddle.

Too much recursion Error in jQuery-1.7.2,is jquery error?

too much recursion error occur when i execute autocomplete.js today.Before today i never see like this error in jquery when i execute autocomplete.js. i am using jQuery 1.7.2
$(function(){
$("#search_text").keyup(function(e){
var sVal = $(this).val();
if(e.which == 27) {
$('#sresult_container').remove();
return;
}
if(e.which != 40 && e.which != 38) {
$("#search").removeAttr('disabled');
$.post('http://localhost/website/index.php/search/ajaxResults',{Search:sVal},function(data){
if(data != "$$$" && data.length != 0) {
var sData = data;
var flag1 = 0;
var flag2 = 0;
var tabindex = -1;
var aFarray = sData.split('$$$');
$('#sresult_container').remove();
var $sresult_container = $('<div id="sresult_container"></div>')
.css({'position':'absolute','border':'1px solid','background-color':'white','z-index':'10000000','width':'309px'});
for(var i=0;i<aFarray.length;i++) {
var a = aFarray[i].split('|||');
if(i == 0 && a[0] != "") {
flag1 = 1;
$pages = $('<div id="pages"></div>');
$text1 = $('<p></p>').css({'background-color':'silver','text-align':'center','padding':'3px'}).text("Pages");
$pages.append($text1);
if(a.length > 5) {
a = a.slice(0,5);
}
for(var j=1;j<a.length+1;j++) {
tabindex++;
$('<div>/div>').css({'padding':'5px','text-align':'center'}).text(a[j-1]).attr({'tabindex':tabindex,'class':'result'}).appendTo($pages);
}
}
if(i == 1 && a[0] != "") {
flag2 = 1;
$articles = $('<div id="articles"></div>');
$text2 = $("<p></p>").css({'background-color':'silver','text-align':'center','padding':'3px'}).text("Articles");
$articles.append($text2);
if(a.length > 5) {
a = a.slice(0,5);
}
for(var j=0;j<a.length;j++) {
tabindex++;
$('<div></div>').css({'padding':'5px','text-align':'center'}).text(a[j]).attr({'tabindex':tabindex,'class':'result'}).appendTo($articles);
}
}
}
if(flag1 == 0)
{
$articles.children().first().remove();
$div = $sresult_container.append($articles);
}else if(flag2 == 0)
{
$pages.children().first().remove();
$div = $sresult_container.append($pages);
}else
{
$div = $sresult_container.append($pages,$articles);
}
tabindex++;
$allresluts = $('<div id="allresults"></div>').css({'padding':'5px','text-align':'center','background-color':'#FBEE92','color':'#CC3333'}).text("See All Results").attr('tabindex',tabindex).appendTo($div);
var bottom = $('#search_text').offset();
var height = $('#search_text').outerHeight();
var left = bottom.left;
var top = bottom.top+height;
$div.offset({'top':top,'left':left});
$('body').append($div);
}
else
{
$('#sresult_container').remove();
$("#search").attr('disabled','true');
}
});
}
else
{
$con_div = $('#sresult_container').children().children('div').add($('#sresult_container').children().last());
var tabindex = $con_div.length - 1;
if(e.which == 40)
{
$con_div.first().addClass("selected").focus();
var index = $con_div.first().index(this)+1;
$con_div.bind({
keydown: function(e) {
e.preventDefault();
var key = e.keyCode;
var target = $(e.target);
switch(key) {
case 38: // arrow up
if(index == 0)
{
index = tabindex+1;
}
$con_div[--index].focus();
break;
case 40: // arrow down
if(index > tabindex-1)
{
index = -1;
}
$con_div[++index].focus();
break;
case 13: //Enter
if(target.hasClass('result') == true)
{
$("#search_text").val(target.text());
$("#search").focus();
}
else
{
$('#search').click();
}
$div.remove();
break;
case 27://Esc
$div.remove();
$("#search_text").focus();
break;
}
},
focusin: function(e) {
$(e.currentTarget).addClass("selected");
},
focusout: function(e) {
$con_div.removeClass("selected");
$(e.currentTarget).removeClass("selected");
}
});
}
}
setTimeout(function()
{
$con_div = $('#sresult_container').children().children('div').add($('#sresult_container').children().last());
$con_div.live({
click : function(e){
var $target = $(e.target);
if($target.hasClass('result') == true)
{
$("#search_text").val($target.text());
$("#search").focus();
}
else
{
$('#search').click();
}
$('#sresult_container').remove();
},
mouseover : function(e){
var $target = $(e.target);
if($target.hasClass('result') == true || $target.is('#allresults'))
{
$(e.target).css('cursor','pointer');
$con_div.removeClass("selected");
$(e.target).addClass("selected");
}
},
mouseout : function(){
$con_div.removeClass("selected");
}
});
}, 200 );
});
$("#search_text").blur(function(e){
$con_div = $('#sresult_container').children().children('div').add($('#sresult_container').children().last());
if($con_div.hasClass('selected') != true)
{
$("#sresult_container").remove();
}
});
});
I got error in $('#search').click(); inside the code.