<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">有关prototype的解释，请看</span><a target=_blank target="_blank" href="/go.html?url=https://www.uw3c.com/jsviews/js12.html" style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">https://www.uw3c.com/jsviews/js12.html</a><span style="font-family: Arial, Helvetica,
