http://stackoverflow.com/questions/1403615/use-jquery-to-hide-a-div-when-the-user-clicks-outside-of-it
$(document).mouseup(function (e) { var container = $("YOUR CONTAINER SELECTOR"); if (!container.is(e.target) // if the target of the click isn‘t the container... && container.has(e.target).length === 0) // ... nor a descendant of the container { container.hide(); } });
Use jQuery to hide a DIV when the user clicks outside of it
原文：http://www.cnblogs.com/darr/p/4643498.html