我正在使用 Jquery ui,它为我提供了制作可拖动内容的功能。它有一个“包含”选项,可以强制可拖动项目在框内移动。
但是,就我而言,内容(图像)必须超出屏幕,我怎么能强制它不要在屏幕内拖动?
谢谢
$("#popup").draggable({
addClasses:true,
scrollSpeed: "200",
containment: "parent",
//appendTo: "body",
helper: function(){
// Create an invisible div as the helper. It will move and
// follow the cursor as usual.
return $('<div></div>').css('opacity',0);
},
drag: function(event, ui){
// During dragging, animate the original object to
// follow the invisible helper with custom easing.
var p = ui.helper.position();
$(this).stop().animate({
top: p.top,
left: p.left
},1000,'easeOutCirc');
}
});