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<body>
<div id="aaa">
<div id="bbb">
</div>
</div>
</body>
$(#?????).click(function(){
$('#bbb').hide();
})
http://jsfiddle.net/GkRY2/
What i must use if i want hide #bbb if user click outside box #bbb? But if i click on div #bbb then box is still visible - only outside.
364
$('body').click(function(e){
if( e.target.id == 'bbb' )
{ return true; }
else
{ $('#bbb').hide(); }
});
A note of explanation: There are a few ways to do this, either way we need to listen for a click on a parent element, weather it be a direct parent like #aaa or a distant parent like the body or the document. This way we can capture clicks that occur outside of #bbb.
Now that we have that we need the .hide to NOT occur if the user did click inside of #bbb. We can do this two ways
Stop propagation if the user clicks on #bbb. This will make the click event not 'bubble' up to the parent. That way the click event never reaches the parent and so #bbb will not hide. I personally don't like this method because stop propagation will so ALL click events from bubbling, and you may have click events that you would like to bubble to a local parent and not a distant parent. Or you may have listeners delegated from a distant parent, which will stop working if click propagation is stopped.
Check for the #bbb element in the parent listener. This is the method shown above. Basically this listens on a distant parent, and when a click occurs it checks to see if that click is on #bbb specifically. If it IS NOT on #bbb .hide is fired, otherwise it returns true, so other things that may be tied into the click event will continue working. I prefer this method for that reason alone, but secondarily its a-little bit more readable and understandable.
Finally the manner in which you check to see if the click originated at #bbb you have many options. Any will work, the pattern is the real meat of this thing.
http://jsfiddle.net/tpBq4/ //Modded from @Raminson who's answer is very similar.
New suggestion, leverage event bubbling without jQuery.
var isOutSide = true
bbb = documment.getElementById('bbb');
document.body.addEventListener('click', function(){
if(!isOutSide){
bbb.style.display = 'none';
}
isOutSide = true;
});
bbb.addEventListener('click', function(){
isOutSide = false;
});
Catch the click event as it bubbles-up to the document element. When it hits the document element, hide the element. Then in a click event handler for the element, stop the propagation of the event so it doesn't reach the document element:
$(function () {
$(document).on('click', function () {
$('#bbb').hide();
});
$('#bbb').on('click', function (event) {
event.stopPropagation();
});
});
Here is a demo: http://jsfiddle.net/KVXNL/
Docs for event.stopPropagation(): http://api.jquery.com/event.stopPropagation/
25
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