根据选择显示结果- js

var choice = prompt("请选择：A、B、C");
if (choice === "A") {
  document.getElementById("result").innerHTML = "您选择了A";
} else if (choice === "B") {
  document.getElementById("result").innerHTML = "您选择了B";
} else if (choice === "C") {
  document.getElementById("result").innerHTML = "您选择了C";
} else {
  document.getElementById("result").innerHTML = "无效的选择";
}

var data = {
  A: "您选择了A",
  B: "您选择了B",
  C: "您选择了C"
};

function showResult(choice) {
  document.getElementById("result").innerHTML = data[choice] || "无效的选择";
}

document.getElementById("choiceA").addEventListener("click", function() {
  document.getElementById("result").innerHTML = "您选择了A";
});

document.getElementById("choiceB").addEventListener("click", function() {
  document.getElementById("result").innerHTML = "您选择了B";
});

document.getElementById("choiceC").addEventListener("click", function() {
  document.getElementById("result").innerHTML = "您选择了C";
});