问检测html元素中的用户选择

EN

$(function() {
     $("#container > * ").on("click", 
         function(event){
            return true;
         });
     });​

<div id="parent">outside
    <div id="container">
        outside
        <span>first_span_clickMe</span>
        <span>second_span_clickMe</span>
    </div>
 outside</div>


$(function() {
   $("#container > span").on("click", function(){
       $('body').append("<br/>child clicked");
   });
});​

    var inArticle = false;
    // The class you want to check:
    var parentClass = "g-body"; 

    function checkParent(e){
        if(e.parentElement && e.parentElement != $('body')){
            if ($(e).hasClass(parentClass)) {
                inArticle = true;
                return true;
            }else{
                checkParent(e.parentElement);
            }
        }else{
            return false;
        }
    }


    $(document).on('mouseup', function(){
        // Check if there is a selection
        if(window.getSelection().type != "None"){
            // Check if the selection is collapsed
            if (!window.getSelection().getRangeAt(0).collapsed) {
                inArticle = false;

                // Check if selection has parent
                if (window.getSelection().getRangeAt(0).commonAncestorContainer.parentElement) {
                    // Pass the parent for checking
                    checkParent(window.getSelection().getRangeAt(0).commonAncestorContainer.parentElement);
                };


                if (inArticle === true) {
                    // If in element do something
                    alert("You have selected something in the target element");
                }
            };
        }
    });