Patch Function

Xueersi Online School Tech Team

May 22, 2020 · Frontend Development

Analyzing Vue.js vm._update and __patch__ Implementation

This article provides a detailed walkthrough of Vue.js’s internal vm._update method, its reliance on the core __patch__ function, and the surrounding lifecycle mechanisms, illustrating each step with source code excerpts and diagrams to clarify how virtual DOM nodes are transformed into real DOM elements.