Unverified60% confidenceFactExact time
浏览器在加载页面时，会先将HTML源码解析为DOM树，再结合CSS生成渲染树（Render Tree），最终绘制到屏幕上。
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
JavaScript基础教程：变量、DOM操作、事件处理与API调用详解
bilibiliFireUG技术社区6/21/2026
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