Question

Which of the below does not belong to the Render Engine workflow?

(a) Paint DOM elements

(b) Parse Content

(c) Build DOM nodes in render tree

(d) Parse identifiers

This question was addressed to me in an interview.

I need to ask this question from Page Render BottleNecks Optimization in section Invocation and Performance Navigation of JavaScript

Answer 1

Correct option is (d) Parse identifiers

To elaborate: A rendering engine is software that draws text and images on the screen. All of the mentioned belongs to the Render Engine workflow. The Render engine workflow contains:

Parse Content

Build DOM nodes in render tree

Layout positioning of DOM elements

Paint DOM elements.