I have a div that has background:transparent, along with border. Underneath this div, I have more elements.
Currently, I'm able to click the underlying elements when I click outside of the overlay div. However, I'm unable to click the underlying elements when clicking directly on the overlay div.
I want to be able to click through this div so that I can click on the underlying elements.
Yes, you CAN do this.
Using pointer-events: none along with CSS conditional statements for IE11 (does not work in IE10 or below), you can get a cross browser compatible solution for this problem.
Using AlphaImageLoader, you can even put transparent .PNG/.GIFs in the overlay div and have clicks flow through to elements underneath.
CSS:
pointer-events: none;
background: url('your_transparent.png');
IE11 conditional:
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='your_transparent.png', sizingMethod='scale');
background: none !important;
Here is a basic example page with all the code.
Yes, you CAN force overlapping layers to pass through (ignore) click events.
PLUS you CAN have specific children excluded from this behavior...
You can do this, using pointer-events
pointer-events influences the reaction to click-, tap-, scroll- und hover events.
In a layer that should ignore / pass-through mentioned events you set
pointer-events: none;
Children of that unresponsive layer that need to react mouse / tap events again need:
pointer-events: auto;
That second part is very helpful if you work with multiple overlapping div layers (probably some parents being transparent), where you need to be able to click on child elements and only that child elements.
Example usage:
.parent {
pointer-events:none;
}
.child {
pointer-events:auto;
}
<div class="parent">
I'm unresponsive
I'm clickable again, wohoo !
</div>
Allowing the user to click through a div to the underlying element depends on the browser. All modern browsers, including Firefox, Chrome, Safari, and Opera, understand pointer-events:none.
For IE, it depends on the background. If the background is transparent, clickthrough works without you needing to do anything. On the other hand, for something like background:white; opacity:0; filter:Alpha(opacity=0);, IE needs manual event forwarding.
See a JSFiddle test and CanIUse pointer events.
I'm adding this answer because I didn’t see it here in full. I was able to do this using elementFromPoint. So basically:
attach a click to the div you want to be clicked through
hide it
determine what element the pointer is on
fire the click on the element there.
var range-selector= $("")
.css("position", "absolute").addClass("range-selector")
.appendTo("")
.click(function(e) {
_range-selector.hide();
$(document.elementFromPoint(e.clientX,e.clientY)).trigger("click");
});
In my case the overlaying div is absolutely positioned—I am not sure if this makes a difference. This works on IE8/9, Safari Chrome and Firefox at least.
Hide overlaying the element
Determine cursor coordinates
Get element on those coordinates
Trigger click on element
Show overlaying element again
$('#elementontop').click(e => {
$('#elementontop').hide();
$(document.elementFromPoint(e.clientX, e.clientY)).trigger("click");
$('#elementontop').show();
});
I needed to do this and decided to take this route:
$('.overlay').click(function(e){
var left = $(window).scrollLeft();
var top = $(window).scrollTop();
//hide the overlay for now so the document can find the underlying elements
$(this).css('display','none');
//use the current scroll position to deduct from the click position
$(document.elementFromPoint(e.pageX-left, e.pageY-top)).click();
//show the overlay again
$(this).css('display','block');
});
I currently work with canvas speech balloons. But because the balloon with the pointer is wrapped in a div, some links under it aren't click able anymore. I cant use extjs in this case.
See basic example for my speech balloon tutorial requires HTML5
So I decided to collect all link coordinates from inside the balloons in an array.
var clickarray=[];
function getcoo(thatdiv){
thatdiv.find(".link").each(function(){
var offset=$(this).offset();
clickarray.unshift([(offset.left),
(offset.top),
(offset.left+$(this).width()),
(offset.top+$(this).height()),
($(this).attr('name')),
1]);
});
}
I call this function on each (new) balloon. It grabs the coordinates of the left/top and right/down corners of a link.class - additionally the name attribute for what to do if someone clicks in that coordinates and I loved to set a 1 which means that it wasn't clicked jet. And unshift this array to the clickarray. You could use push too.
To work with that array:
$("body").click(function(event){
event.preventDefault();//if it is a a-tag
var x=event.pageX;
var y=event.pageY;
var job="";
for(var i in clickarray){
if(x>=clickarray[i][0] && x<=clickarray[i][2] && y>=clickarray[i][1] && y<=clickarray[i][3] && clickarray[i][5]==1){
job=clickarray[i][4];
clickarray[i][5]=0;//set to allready clicked
break;
}
}
if(job.length>0){
// --do some thing with the job --
}
});
This function proofs the coordinates of a body click event or whether it was already clicked and returns the name attribute. I think it is not necessary to go deeper, but you see it is not that complicate.
Hope in was enlish...
Another idea to try (situationally) would be to:
Put the content you want in a div;
Put the non-clicking overlay over the entire page with a z-index higher,
make another cropped copy of the original div
overlay and abs position the copy div in the same place as the original content you want to be clickable with an even higher z-index?
Any thoughts?
I think the event.stopPropagation(); should be mentioned here as well. Add this to the Click function of your button.
Prevents the event from bubbling up the DOM tree, preventing any parent handlers from being notified of the event.
Just wrap a tag around all the HTML extract, for example
<a href="/categories/1">
<img alt="test1" class="img-responsive" src="/assets/photo.jpg" />
<div class="caption bg-orange">
<h2>
test1
</h2>
</div>
</a>
in my example my caption class has hover effects, that with pointer-events:none; you just will lose
wrapping the content will keep your hover effects and you can click in all the picture, div included, regards!
An easier way would be to inline the transparent background image using Data URIs as follows:
.click-through {
pointer-events: none;
background: url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7);
}
I think that you can consider changing your markup. If I am not wrong, you'd like to put an invisible layer above the document and your invisible markup may be preceding your document image (is this correct?).
Instead, I propose that you put the invisible right after the document image but changing the position to absolute.
Notice that you need a parent element to have position: relative and then you will be able to use this idea. Otherwise your absolute layer will be placed just in the top left corner.
An absolute position element is positioned relative to the first parent
element that has a position other than static.
If no such element is found, the containing block is html
Hope this helps. See here for more information about CSS positioning.
You can place an AP overlay like...
#overlay {
position: absolute;
top: -79px;
left: -60px;
height: 80px;
width: 380px;
z-index: 2;
background: url(fake.gif);
}
<div id="overlay"></div>
just put it over where you dont want ie cliked. Works in all.
This is not a precise answer for the question but may help in finding a workaround for it.
I had an image I was hiding on page load and displaying when waiting on an AJAX call then hiding again however...
I found the only way to display my image when loading the page then make it disappear and be able to click things where the image was located before hiding it was to put the image into a DIV, make the size of the DIV 10x10 pixels or small enough to prevent it causing an issue then hiding the containing div. This allowed the image to overflow the div while visible and when the div was hidden, only the divs area was affected by inability to click objects beneath and not the whole size of the image the DIV contained and was displaying.
I tried all the methods to hide the image including CSS display=none/block, opacity=0, hiding the image with hidden=true. All of them resulted in my image being hidden but the area where it was displayed to act like there was a cover over the stuff underneath so clicks and so on wouldn't act on the underlying objects. Once the image was inside a tiny DIV and I hid the tiny DIV, the entire area occupied by the image was clear and only the tiny area under the DIV I hid was affected but as I made it small enough (10x10 pixels), the issue was fixed (sort of).
I found this to be a dirty workaround for what should be a simple issue but I was not able to find any way to hide the object in its native format without a container. My object was in the form of etc. If anyone has a better way, please let me know.
I couldn't always use pointer-events: none in my scenario, because I wanted both the overlay and the underlying element(s) to be clickable / selectable.
The DOM structure looked like this:
<div id="outerElement">
<div id="canvas-wrapper">
<canvas id="overlay"></canvas>
</div>
<!-- Omitted: element(s) behind canvas that should still be selectable -->
</div>
(The outerElement, canvas-wrapper and canvas elements have the same size.)
To make the elements behind the canvas act normally (e.g. selectable, editable), I used the following code:
canvasWrapper.style.pointerEvents = 'none';
outerElement.addEventListener('mousedown', event => {
const clickedOnElementInCanvas = yourCheck // TODO: check if the event *would* click a canvas element.
if (!clickedOnElementInCanvas) {
// if necessary, add logic to deselect your canvas elements ...
wrapper.style.pointerEvents = 'none';
return true;
}
// Check if we emitted the event ourselves (avoid endless loop)
if (event.isTrusted) {
// Manually forward element to the canvas
const mouseEvent = new MouseEvent(event.type, event);
canvas.dispatchEvent(mouseEvent);
mouseEvent.stopPropagation();
}
return true;
});
Some canvas objects also came with input fields, so I had to allow keyboard events, too.
To do this, I had to update the pointerEvents property based on whether a canvas input field was currently focused or not:
onCanvasModified(canvas, () => {
const inputFieldInCanvasActive = // TODO: Check if an input field of the canvas is active.
wrapper.style.pointerEvents = inputFieldInCanvasActive ? 'auto' : 'none';
});
it doesn't work that way. the work around is to manually check the coordinates of the mouse click against the area occupied by each element.
area occupied by an element can found found by 1. getting the location of the element with respect to the top left of the page, and 2. the width and the height. a library like jQuery makes this pretty simple, although it can be done in plain js. adding an event handler for mousemove on the document object will provide continuous updates of the mouse position from the top and left of the page. deciding if the mouse is over any given object consists of checking if the mouse position is between the left, right, top and bottom edges of an element.
Nope, you can't click ‘through’ an element. You can get the co-ordinates of the click and try to work out what element was underneath the clicked element, but this is really tedious for browsers that don't have document.elementFromPoint. Then you still have to emulate the default action of clicking, which isn't necessarily trivial depending on what elements you have under there.
Since you've got a fully-transparent window area, you'll probably be better off implementing it as separate border elements around the outside, leaving the centre area free of obstruction so you can really just click straight through.
Hi guys:)If I pass on the div in the example with mouse's pointer the function print in console two times,this menans that onmousemove event is triggered two times.I have printed also the coordinates of mouse's pointer and how you can see in the image below,i don't move also verticallylly but only horizontally.How is possible that onmousemove event is triggered considered that the div is 1 pixel width?How is possible that onmousemove event is triggered two times considered that the div is 1 pixel width?
<div id="div1">
</div>
#div1{
height:200px;
width:1px;
background:red;
}
document.getElementById("div1").onmousemove= function(){
console.log("in mousemove function");
console.log(event.clientX);
console.log(event.clientY);
};
You bind onmousemove which will be called every time the mouse is moved over the element. When you hover the div you sometimes move the mouse down resolving in additional calls to the handler.
It will be more clear if you add more width to the div.
What you properly wants is onmouseenter which will be called once when you enter the div:
document.getElementById('div1').addEventListener('mouseenter', function() {
console.log('mouse entered div');
});
change the console.log to alert and you will notice that the event is fired only once. It works for me. I tried using the same code just that executed javascript on DOM ready.
I also changed the width to 20 pixels so as to be sure about it.
Here is a fiddle of your example code: https://jsfiddle.net/jy8u4y2m/
You will notice that while your div is 1px wide, it is also 200px high. This means that if you enter the div with your mouse, onmousemove will be triggered. However, if you then move your mouse down before exiting the bounds of the div, the event will continue triggering. My assumption is that you are getting multiple calls because you aren't moving your mouse perfectly horizontal.
As #andlrc posted, if you want a single trigger, you should be using mouseenter instead.
fiddle: http://jsfiddle.net/Xc3ud/4/
in Chrome, when the size of the content box changes via script, it calls a scroll event and gets rid of my scroll helper div.
in IE9, it does not fire this scroll event, so the scroll helper div is stuck on the page and won't go away because the page isn't scrolled, but it won't be able to trigger scroll now because content has changes
how can I trigger the update in IE9?
I'm using Durandal so this is a SPA
html:
<div class="page">
<div class="scrollerfade" style="display:none;">This div shows up when you are scrolled down, and should disappear when you scroll back to top<br/>click the green content box to toggle its height (no longer needs scrolling)</div>
<div class="content">scroll down to see the red box</div>
</div>
js:
var $fade = $('.scrollerfade');
$(window).on('scroll', function () {
$fade.toggle(($(window).scrollTop() > 0));
});
$('.content').on('click',function(){
$(this).height(($(this).height()>200)?200:2000);
});
had to solve this with a Durandal event
if anyone has a resolution that DOES NOT use a Durandal event that would be a better answer I think, and would work even if you weren't using Durandal
//fix for IE9, because the final scroll event is not fired when the page size changes
_i.router.on('router:navigation:composition-complete').then(function (instance, instruction, router) {
$fade.toggle((_i.$(window).scrollTop() > 0));
});
Thanks in advance to all willing to help. My riddle is the mouseout effect in jQuery - I'm trying to get build a function that would move an element up and down inside the container, indefinitely. When hovered, the moving should stop and stay stopped until the cursor leaves the element completely. What happens though, is that mouseover event triggers all right, however, the mouseleave event is triggered right after, when the cursor is still over the element, so the animation breaks.
Here's simple HTML:
<div id="container">
<div class="element">Some text</div>
<div class="element">Some other text</div>
<div class="element">Some more text</div>
</div>
The moving element is positioned absolutely by javascript over the top element and moves down and up, here's the example on jsfiddle
Did anyone else have to deal with this? thanks
I think you need to pull your mouseenter and mouseout events outside of your animate function. Everytime you call the animate function you are adding another mouse event to each element. This is causing it to call your animate function multiple times when you mouse out.
Here's a fiddle, I added a counter to see how many times animate function is being called.
var counter = 0;
function animate(el, dir) {
$("#count").val(counter);
counter++;
Mouse over and out a couple times and you can see that it's compounding the animate calls every time you mouse out.
I can't tell if this is a result of the jQuery I'm using, but this is what I'm trying to do:
<div class="info" style="display: inline;"
onMouseOut="$(this).children('div').hide('normal');"
onMouseOver="$(this).children('div').show('normal');"
>
<img src="images/target.png">
<div class="tooltiptwo" id="tooltip"
style="font-weight: normal; font-size: 0.8em;" >TOOLTIP TEXT</div>
</div>
To anyone familiar with basic CSS and jQuery, I'm trying to add a simple animation to my tooltips. The problem is the triggering of such an animation. It seems that when the animation happens, if the user moves their mouse over the tooltip, the animation will go into a loop of showing and hiding until the user moves the mouse away. This is an undesired effect, as I want the animation to go away just once, when the mouse moves out of the parent div. I've positioned my CSS so that the tooltip appears away from the parent div, but regardless the actions should be triggering only on the parent, and not any of its children.
So basically, how would I go about achieving this? I want my hover/out state on my parent element to trigger a function (an animation) on the children of that parent, without the hover/out states of the children doing anything. It seems that the normal method of onMouseOver and onMouseOut is triggering even for the children of the parent that the method belongs to, which is causing some rather undesirable effects.
Note that I'm new to jQuery (although its amazing so far, I want to coat my site in its goodness if I can) and if there is a better way to achieve the hover/out states using jQuery I probably don't know about them.
edit: actually this is a much better solution (credit):
$('.info').bind('mouseenter', function() {
$('div', this).show('normal');
});
$('.info').bind('mouseleave', function() {
$('div', this).hide('normal');
});
// hide the tooltip to start off
$('.info div').hide();
edit2: in response to the comments, i think i would suggest structuring your HTML differently then, or binding the event to the sibling element (the image) instead:
<div class="info">
<img src="stuff.jpg" />
</div>
<div class="tooltip"></div>
or binding on the image:
$('.info img').bind('mouseenter', function() { etc... });
$('.info img').bind('mouseleave', function() { etc... });
Did you follow this tutorial ?
Especially the mousemove part, where he constantly sets the positioning values left and top to align the tooltip next to the cursor. the X and Y coordinates are called via .pageX and .pageY. And he also adds a little offset of 15 px so the tooltip is not directly below the cursor.
That way, the mouse can not be over the tooltip, even the fadeout phase. Hence no infinite loop
Bind it to the parent div, and use stopPropagation to stop it from being binded to your tooltip. Like this:
[code]
$('.info').bind('mouseover', function(e) {
e.stopPropagation();
$(this > 'div').show('normal');
});
$('.info').bind('mouseout', function() {
$(this > 'div').hide('normal');
});
// hide the tooltip to start off
$('.info div').hide();
[/code]
However, I too use pageX and pageY to make my tooltips move with the cursor.