如何在Typescript中获取选中的复选框的值

<input type="checkbox" id="checkbox1" value="value1"> Option 1
<input type="checkbox" id="checkbox2" value="value2"> Option 2
<input type="checkbox" id="checkbox3" value="value3"> Option 3

const checkbox1 = document.getElementById("checkbox1") as HTMLInputElement;
const checkbox2 = document.getElementById("checkbox2") as HTMLInputElement;
const checkbox3 = document.getElementById("checkbox3") as HTMLInputElement;

if (checkbox1.checked) {
  const value1 = checkbox1.value;
  console.log("Checkbox 1 is selected. Value: " + value1);
}

if (checkbox2.checked) {
  const value2 = checkbox2.value;
  console.log("Checkbox 2 is selected. Value: " + value2);
}

if (checkbox3.checked) {
  const value3 = checkbox3.value;
  console.log("Checkbox 3 is selected. Value: " + value3);
}