The Chrome console allows you to format messages using CSS properties. This lesson walks you through the syntax of formatting your logs with css then refactoring into a template tag function to make formatting more reusable.
const debug = (label, style, obj) => { console.log(`%c${label}`, `${style}`, `${obj}`); }; debug( `debug: `, `color: white; background-color: grey; padding: 0 0.5em;`, JSON.stringify({name: ‘Zhentian‘}));
[Javascript] Format console.log with CSS and String Template Tags
原文：http://www.cnblogs.com/Answer1215/p/6358904.html