Chrome DevTools Custom Object Formatters

Here’s a little Chrome DevTools gem: it supports the use of custom Object formatters. Object what?

Object formatters allow you to control how the value of a JavaScript object appears in Chrome’s console and debugger.

Say you’d like to visualize a 2D vector, instead of seeing “just” { x: 1, y: 2} appear when pushing it through console.log. Enter the custom VectorFormatter:

chrome-custom-formatters

Or say you’d like to visualize a color, instead of seeing its R, G, and B values:

OIA4kba

The possibilities are endless 🙂

Custom Object Formatters in Chrome DevTools (Article) →
Chrome DevTools VectorFormatter
Github search results for devtoolsFormatters

Published by Bramus!

Bramus is a Freelance Web Developer from Belgium. From the moment he discovered view-source at the age of 14 (way back in 1997), he fell in love with the web and has been tinkering with it ever since (more …)

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