TypeError: null不是对象(计算“”order.originLatitude“”)

async function fetchData() {
  try {
    const response = await fetch('/api/orders/1');
    const data = await response.json();
    if (data && data.order) {
      console.log(data.order.originLatitude);
    } else {
      console.error('Order data is missing');
    }
  } catch (error) {
    console.error('Error fetching data:', error);
  }
}

fetchData();

function getOriginLatitude(order) {
  if (order && order.originLatitude) {
    return order.originLatitude;
  } else {
    console.error('Order or originLatitude is missing');
    return null;
  }
}

const order = { originLatitude: 40.7128 };
console.log(getOriginLatitude(order));

function processOrder(order) {
  if (!order) {
    console.error('Order is null or undefined');
    return;
  }
  try {
    console.log(order.originLatitude);
  } catch (error) {
    console.error('Error accessing originLatitude:', error);
  }
}

const order = null;
processOrder(order);