HTML实现检测输入已完成功能

<tr style="background-color:#FFFFFF">
    <th>出差地点:</th>
    <td>
        <input class="form-control" onBlur="finnishInput(event)" "onInput(event)" onporpertychange="onChange(event)" id="travelLocationId" type="text" placeholder="travel location">
    </td>
</tr>

var flag = 0;
function onInput(e){
  console.log("Inputing");
  flag = 1;
}

function finnishInput(e) {
  if(1 == flag){
    console.log("InputOk");
    flag = 0;
  }
}