yeet.js

var queensAttacktheKing = function(queens, king) {
    function inBounds([x, y]) {
        return x >= 0 && x < 8 && y >= 0 && y < 8;
    }
    
    function isQueen([x, y]) {
        return queens.some(queen => {
            return queen[0] === x && queen[1] === y;
        });
    }
        
    const dirs = [
        [ 0, -1],
        [ 1, -1],
        [ 1,  0],
        [ 1,  1],
        [ 0,  1],
        [-1,  1],
        [-1,  0],
        [-1, -1],
    ];
    
    const res = [];
    
    dirs.forEach(dir => {            
        let pos = king.slice(0);

        while (true) {
            pos = [pos[0] + dir[0], pos[1] + dir[1]];

            if (!inBounds(pos)) {
                return;
            }

            if (isQueen(pos)) {
                res.push(pos);
                return;
            }
        }
    });
    
    return res;
};