A particular issue with DOM manipulation is that the browser needs to re-flow and re-paint (basically re-render) the affected elements on the screen.
DOM操作的一个特别问题是浏览器需要在屏幕上回流和重绘(主要是重新呈现)元素。
Quite a few scripts require rather complex procedures to re-order and re-position individual glyphs to render complex composite glyphs.
有很多脚本都需要复杂的过程来重新进行排序，或重新放置各个要显示的复杂合成图形。
This time the cache should not be fresh anymore, and must, therefore re-render the portlet.
此时，缓存应该不再是新的，因此，必须重新呈现Portlet。
Therefore, the Ajax-enabled components can execute action handlers on the server, update the JSF component tree, and re-render portions of the page, all without triggering a browser-navigation event.
因而，支持Ajax的组件可以在不触发浏览器导航事件的前提下执行动作处理程序、升级JSF组件树以及重新呈现该页的某些部分。
The portlet should re-render, similar to Figure 73.
portlet应该再次呈现，和图73中类似。
If we re-render the fuel into the array every frame, we can simulate a solid piece of evaporating fuel.
如果我们每桢重新渲染燃料数组，我们可以模拟一个挥发中的一块固体燃料。
If we re-render the fuel into the array every frame, we can simulate a solid piece of evaporating fuel.
如果我们每桢重新渲染燃料数组，我们可以模拟一个挥发中的一块固体燃料。
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