Script that lets you browse peoples uploaded screenshots randomly

browse_prntsc.js

function randomId() {
	let letters = 'abcdefghijklmnopqrstuvwxyz'
	return (
		'aa'.split('').map(n => letters[Math.floor(Math.random() * 26)]).join('') +
		'1111'.split('').map(l => Math.floor(Math.random() * 9)).join('')
	)
}

function keydownHandler(e) {
	if (e.key === 'ArrowRight') {
		window.location.pathname = '/' + randomId();
	} else if (e.key === 'ArrowLeft') {
		history.back()
	}
}

document.addEventListener('keydown', keydownHandler)
console.log('prntsc browser loaded.')

manifest.json

{
    "name": "prntsc_browser.js",
    "description": "Browse peoples screenshots.",
    "version": "1.0",
    "manifest_version": 2,
    "permissions": [
        "activeTab"
    ],
    "content_scripts": [
        {
            "matches": [
                "*://prnt.sc/*"
            ],
            "run_at": "document_end",
            "js": [
                "browse_prntsc.js"
            ],
            "all_frames": true
        }
    ]
}