how to close div if user click outside code example

Example 1: if clicked outside of div jquery

$(document).mouseup(function(e) 
{
    var container = $("YOUR CONTAINER SELECTOR");

    // if the target of the click isn't the container nor a descendant of the container
    if (!container.is(e.target) && container.has(e.target).length === 0) 
    {
        container.hide();
    }
});

Example 2: click outside box jquery

$(document).click(function(){
 $("#try").hide(); 
});

$("#try").click(function(e){
  e.stopPropagation(); 
});