JSFiddle - React, Tailwind, and code Playground

by paulirish

CSS

body { font-family: monospace; white-space: pre-wrap;}

JavaScript

document.body.textContent = [
    
    'console.memory = ',
    JSON.stringify(console.memory, null, '  '),
    '',
    
    '// memory used in current heap: ',
    (console.memory.usedJSHeapSize  / 
     console.memory.totalJSHeapSize * 1e2).toFixed(1) + '%'
    
   ].join('\n');