/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foun
概念: visual formatting model,可视化格式模型 The CSS visual formatting model is an algorithm that processes a document and displays it on visual media. 它是一种规则,用于规定用户代理如何将DOM树展示在可视化媒体中. 通俗的说,我们在HTML中写一个p标签,在浏览器中打开之后,他会是以什么样子展现出来(他的宽度.高度是多少,他在哪里,他与相邻的元素是什么关系.)这