JAVASCRIPT

filter buttons react

var A = polls.filter(e => e.type === "A")
var B = polls.filter(e => e.type === "B")
var C = polls.filter(e => e.type === "C")    


function showA() {
    setfilteredPolls(A)
}

function showB() {
    setfilteredPolls(B)
}

function showC() {
    setfilteredPolls(C)
}

filter buttons react

return (
  <div className="polls">
    <button onClick={() => showA()}>A</button>
    <button onClick={() => showB()}>B</button>
    <button onClick={() => showC()}>C</button>

    {
      filteredPolls && filteredPolls.map((poll) => (
        <div key={poll.id}>
          <PollCard poll={poll} />
          <hr style={{ opacity: '.1' }} />
        </div>

      ))
    }
  </div>
);