onClickOut (click after leaving the element)

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How do I detect a click outside an element? 76 answers

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You do that by listening to a click on the document level, and inside the event handler you check if the clicked element was #schnellsuche_box or any element inside #schnellsuche_box by using closest() , like so :

$(document).on('click', function(e) {
    if ( ! $(e.target).closest('#schnellsuche_box').length ) 
         $('#schnellsuche_box').hide();
});

FIDDLE

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您需要通过return false来停止#schnellsuche_box点击事件冒泡到body单击事件（这是默认事件传播）：

$("#schnellsuche_box").click(function() {
    inside = true;

    return false;
});

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尝试这个：

$("body").click(function(e) {
   var $target = $(e.target);
   if (!$target.is('#schnellsuche_box') &&
       !$target.parents('#schnellsuche_box').length) {
       alert('outside');
   }
});

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