cope

let foobar = document.getElementById('foobar');

foobar.addEventListener('keyup', e => {
    let value = e.target.value;
    let typing = _.endsWith(value, ' ');
    let cursor = e.target.selectionStart;

    let addSpace = _.endsWith(value, ' ');
    let words = _.split(value, ' ');
    words = _.map(words, _.trim);

cope

const fs = require('fs');

fs.readdirSync('./').forEach(file => {
    if (file.endsWith('.mkv')) {
        let clean = file.split('.');
        let pos = clean.indexOf('720p');
        clean = clean.slice(0, pos).join(' ') + '.mkv';
        console.log(file, clean, pos);
        fs.renameSync(file, clean);
    }

cope

/*   VT100 terminal reset (<ESC>c) */

console.log('\033c');

/* numbers comparations */

/**/ [2] == 2;
//// true

/**/ [] + [];