JQuery - Turning event handler off and then back on - javascript

Having a bit of trouble figuring out how to turn an event handler back on.
I'm trying to stop the function from executing multiple times before the animation is finished.
Here's a Fiddle:
http://jsfiddle.net/MkmnW/1/
Here's my code:
$("#buttons a").click(function () {
$('a').off();
// Remove class from current active
$("#buttons a").removeClass('active');
// Change class on clicked button
$(this).addClass("active");
// Hide Non-Clicked Content
$(".main_content").fadeOut("fast");
$("#content_container").slideUp("slow");
// Find Selected
var selected = $(this).attr("href");
// Show Selected
$("#content_container").slideDown("slow", function () {
$(selected).fadeIn("slow");
});
return false;
});

If i understand your example correctly you want to prevent the animation from running multiple times by removing the event.
If your removing the event you will not be able to click it again unless you attach your event again.
Here's an example based on your code: http://jsfiddle.net/MkmnW/4/
$(document).ready(function () {
$("#buttons a").click(function () {
$('a').off("click");
clickMenu(this);
return false;
});
function clickMenu(el){
// Remove class from current active
$("#buttons a").removeClass('active');
// Change class on clicked button
$(el).addClass("active");
// Hide Non-Clicked Content
$(".main_content").fadeOut("fast");
$("#content_container").slideUp("slow");
// Find Selected
var selected = $(this).attr("href");
// Show Selected
$("#content_container").slideDown("slow", function () {
$(selected).fadeIn("slow");
$("#buttons a").click(function () {
$('a').off("click");
clickMenu(this);
return false;
});
});
}
});

You can $(element).unbind('click'); for unbinding click events. The same with all the other types of events.
Then, you could bind them again with $(element).bind('click', function(evt) { ... });
In the case of animations, you can $(element).click(function(evt) { $(this).stop().fadeOut("fast").whatever... });

Related

Is there a way to add a different action on the second click with jQuery?

My current code is this:
$('.how-we-menu').on('click', function() {
$('.how-we-menu > ul').slideDown();
$('.under').on('click', function() {
$('.under > ul').slideDown();
})
$('.over').on('click', function() {
$('.over > ul').slideDown();
})
$('.ar').on('click', function() {
$('.ar > ul').slideDown();
})
$('.fc').on('click', function() {
$(this).children('ul').slideToggle();
})
});
I am trying to avoid slide toggle because it affects another element and slides both of them up so I want to make each element work individually. So when you click ".fc > ul" once it slides down and when you click again it slides up.
I hope this makes sense thanks!
Use $(this) in the function so it only affects the element you clicked on.
$('.fc').on('click', function() {
$(this).children('ul').slideToggle();
});
And all the event handlers should be at top level, not inside another event handler. Since they all do the same thing, you can bind them all at once.
$('.how-we-menu, .under, .over, .ar, .fc').on('click', function() {
$(this).children('ul').slideToggle();
});

jQuery click event and settimeout

You can access full code with github pages link below.
Link
I'm developing the Matching game
When I click each li selector, class of the li will be change so it can change card open. But I want to make it after 2 second, class of the li selector will change class.
$(document).ready(function () {
$(".card").each(function () {
$(this).click(function () {
$(this).addClass("card open show"); // When click li element class will change to card open show
setTimeout(function(){
$(".card open show").addClass("card");
}, 2000);
});
});
});
when I click the li selector class will change to card open show and I want to make it after 2 seconds class will change to card.
I don't know why it's not working.
You need to remove the class from the element using $().removeClass()
Change $(".card open show").addClass("card"); to
$(this).removeClass("open show");
Also there is no need to iterate over the elements. You can directly attach the click event to the element
$(document).ready(function () {
$(".card").click(function () {
// since element already have class card, no need to add same class again
// only add the open and show class
$(this).addClass("open show");
setTimeout(function () {
$(this).removeCLass(" open show");
}, 2000);
});
});
Assuming every time click on any li it should close after 2 seconds.
$(this).click(function () {
var ele = $(this);
$(this).addClass("open show");
setTimeout(function(){
ele.removeClass("open show");
}, 2000);
});
You can use $().toggleClass() to toggle the classses before and after the timeout:
let element = this;
$(element).toggleClass("open show");
setTimeout(function() {
$(element).toggleClass("open show");
}, 2000);

Prevent bootstrap dropdown from closing on click event [duplicate]

This question already has answers here:
How do I prevent my dropdown from closing when clicking inside it?
(3 answers)
Closed 4 years ago.
My menu uses Bootstrap 3 and I can't prevent dropdown from closing on click. How can I do it?
JSFiddle
// Add open class if active
$('.sidebar-nav').find('li.dropdown.active').addClass('open');
// Open submenu if active
$('.sidebar-nav').find('li.dropdown.open ul').css("display","block");
// Change active menu
$(".sidebar-nav > li").click(function(){
$(".sidebar-nav > li").removeClass("active");
$(this).addClass("active");
});
// Add open animation
$('.dropdown').on('show.bs.dropdown', function(e){
$(this).find('.dropdown-menu').first().stop(true, true).slideDown();
});
// Add close animation
$('.dropdown').on('hide.bs.dropdown', function(e){
$(this).find('.dropdown-menu').first().stop(true, true).slideUp();
});
You need to stop event from bubbling up the DOM tree:
$('.dropdown-menu').click(function(e) {
e.stopPropagation();
});
event.stopPropagation prevents event from reaching the node where it's eventually handled by Bootstrap hiding menu.
Demo: http://jsfiddle.net/wkc5md23/3/
I believe this should be a more proper solution, as stopping propagation on the click event might sometimes cause issues later on in development. You may read more into it here: http://css-tricks.com/dangers-stopping-event-propagation/ Instead this solution stops propagation on the Bootstrap hide (hide.bs.dropdown) event, which stops it from continuing on to the hidden (hidden.bs.dropdown) event.
The following code has been taken and edited by myself to make it work on all Bootstrap dropdowns, as it has originally been taken from here: Preventing bootstrap dropdown from closing on click I personally prefer this way also because it uses the built in Bootstrap dropdown events, which could be found here: https://getbootstrap.com/docs/3.4/javascript/#dropdowns-events.
$(function () {
$('.dropdown').on({
'click': function (event) {
if ($(event.target).closest('.dropdown-toggle').length) {
$(this).data('closable', true);
} else {
$(this).data('closable', false);
}
},
'hide.bs.dropdown': function (event) {
hide = $(this).data('closable');
$(this).data('closable', true);
return hide;
}
});
});
You can disable the dropdown functionality temporarily. This is a workaround.
Example with input field inside the drop-down "menu":
//for dropdown field not closing when clicking on inputfield
$(document).on('focus', 'input', function (e) {
// this attribute can be anything except "dropdown", you can leave it blank
$('#yourDropdownID').attr('data-toggle', 'off');
});
//for dropdown field back to normal when not on inputfield
$(document).on('focusout', 'input', function (e) {
$('#yourDropdownID').attr('data-toggle', 'dropdown');
});
This can be used on anything that is clickable and you can define individually what items clicked can close or not close the drop-down menu.
Not close in click out side menu
$(function() {
var closeble = false;
$('body').on('click', function (e) {
if (!$(event.target).is('a.dropdown-toggle')) {
closeble = false;
}
});
$('.dropdown').on({
'click': function (event) {
if ($(event.target).closest('.dropdown-toggle').length) {
closeble = true;
} else {
closeble = false;
}
},
'hide.bs.dropdown': function () {
return closeble;
}
});
});

I can't get hover or mouseenter to unbind and rebind again

I have tried sooooo many different methods of this that others have suggested, but I don't understand what i'm doing wrong and really need some help. I have tried using various combinations of hover, mouseenter/mouseleave, on/off, bind/unbind.
Basically, I can get things to unbind, but I can't get them to bind again afterwards.
I put together a jsfiddle with a basic example. If you click the "Hover Off" button, mouseenter is disabled like intended. But then if you click the "Hover On" button after, mouseenter does not enable again.
http://jsfiddle.net/770b5p8q/3/
Here is "hover" functionality:
$('.square').each(function(){
$(this).bind("mouseenter", function(){
$(this).addClass('active');
});
$(this).bind("mouseleave", function(){
$(this).removeClass('active');
});
});
Here is what should enable/disable it:
$('.hover_enabled').click(function(){
$('.square').each(function(){
$(this).bind("mouseenter");
$(this).bind("mouseleave");
});
});
$('.hover_disabled').click(function(){
$('.square').each(function(){
$(this).unbind("mouseenter");
$(this).unbind("mouseleave");
});
});
You should pass the function for binding and unbinding the handlers, something like:
var mouseEnterHandler = function () {
$(this).addClass('active');
}
var mouseLeaveHandler = function () {
$(this).removeClass('active');
};
$('.square').bind("mouseenter", mouseEnterHandler)
.bind("mouseleave", mouseLeaveHandler);
$('.hover_enabled').click(function () {
$(this).addClass('active');
$('.hover_disabled').removeClass('active');
// I need to bind hover here
$('.square').bind("mouseenter", mouseEnterHandler)
.bind("mouseleave", mouseLeaveHandler);
});
But the code becomes ugly and unmaintainable. You can use event delegation instead:
$(document).on('mouseenter mouseleave', '.square.hoverable', function(event) {
// toggle the class by checking the type of the event
$(this).toggleClass('active', event.type === 'mouseenter');
});
// caching the state changers
var $e = $('.hover_enabled, .hover_disabled').click(function () {
var $this = $(this).addClass('active'),
isHoverable = $this.hasClass('hover_enabled');
// exclude the clicked element from the set and remove the class
$e.not($this).removeClass('active');
$('.square').toggleClass('hoverable', isHoverable);
});
The above mouseenter mouseleave handler is only executed when the .square element has hoverable className. You can also remove the event handler and use CSS for styling.
.square.hoverable:hover {
}
http://jsfiddle.net/bztec1f4/
Once you rebind it back you need to pass function as well.
$('.hover_enabled').click(function(){
$('.square').each(function(){
$(this).bind("mouseenter", function(){
$(this).addClass('active');
});
$(this).bind("mouseleave", function(){
$(this).removeClass('active');
});
});
});

Close footer by clicking anywhere on the DOM

I have a question concerning collapsing/expanding a footer. I have a simple basic collapse/expand script going, where when the "Open" button is clicked, the hidden footer slides up and when you click "Close" it slides back down and hides again. Now, I want to attach an instance where I can click anywhere on teh DOM when the footer is open and it will close.
This is the script:
$(document).ready(function () {
// Expand Panel
$("#footerOpen").click(function (e) {
e.preventDefault();
$("div#footerPanel").slideDown("slow");
});
// Collapse Panel
$("#footerClose").click(function (e) {
e.preventDefault();
$("div#footerPanel").slideUp("slow");
});
// Switch buttons from "Log In | Register" to "Close Panel" on click
$("#toggle a").click(function () {
$("#toggle a").toggle();
});
});
Thanks
$(document).ready(function () {
// Expand Panel
$("#footerOpen").click(function (e) {
e.preventDefault();
$("div#footerPanel").slideDown("slow");
});
// Collapse Panel
$("#footerClose").click(function (e) {
e.preventDefault();
$("div#footerPanel").slideUp("slow");
});
// Switch buttons from "Log In | Register" to "Close Panel" on click
$("#toggle a").click(function () {
$("#toggle a").toggle();
});
// click anywhere on teh DOM when the footer is open and it will close.
$("body:not(#footerClose)").click(function (e) {
e.preventDefault();
$("div#footerPanel").slideUp("slow");
});
});
try this one, im using jquery not selector.
Attach a click handler to the document, and do the slideUp in there. You can use the event.target to determine whether or not to perform the slideUp:
$(document).on('click', function(e) {
// Don't slideUp if #footerOpen or #footerPanel are clicked
if ($(e.target).is('#footerOpen, #footerPanel')) {
return;
}
// Do the slideUp!
$('#footerPanel').slideUp('slow');
});
Here's a fiddle
If you have other elements within your #footerPanel, the above probably won't work as the target will likely be something other than #footerPanel, the best thing to do would be to add a click handler to #footerPanel, and prevent the event from propagating and triggering the above click handler:
$('#footerPanel').on('click', function(e) {
e.stopPropagation();
});
Here's another fiddle
Try this it worked for me...
$(document).click(function(event) {
var $target = $(event.target);
if(!$target.is("#footerPanel")){
$("#footerPanel").slideUp('slow');
}
});

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