Provide onclick dynamically and avoid duplicate event calling
问题 I try to add an item, just like this sample: https://codepen.io/Gobi_Ilai/pen/LLQdqJ var addToMenu = function () { var newName = $("#addInputName").val(); var newSlug = $("#addInputSlug").val(); var newId = 'new-' + newIdCount; nestableList.append( '<li class="dd-item" ' + 'data-id="' + newId + '" ' + 'data-name="' + newName + '" ' + 'data-slug="' + newSlug + '" ' + 'data-new="1" ' + 'data-deleted="0">' + '<div class="dd-handle">' + newName + '</div> ' + '<span class="button-delete btn btn