var textDimensions = require('text-dimensions');
// No styles
textDimensions('Hello world');                                // { width: 71, height: 20 }
// Manually set styles
textDimensions('Hello world', { 'font-size': '24px' });       // { width: 113, height: 28 }
// Copy styles from an element
textDimensions('Hello world', document.querySelector('div')); // { width: 126, height: 20 }
// Use textContent and styling of an element
textDimensions(document.querySelector('div'));                // { width: 180, height: 40 }