弹出窗口显示图片

src

$(".view-full-size").click(function() {

  var mainScreenshot = $("#main-screenshot");

  var theImage = new Image();
  theImage.src = mainScreenshot.attr("src");

  var winWidth = theImage.width + 20;
  var winHeight = theImage.height + 20;

  window.open(this.href,  null, 'height=' + winHeight + ', width=' + winWidth + ', toolbar=0, location=0, status=0, scrollbars=0, resizable=0'); 

  return false;

});

demo