const customers = require('../data/customers.json'); module.exports = async function (context, req) { const { id } = context.bindingData; let customerId = +id; for (let i = 0, len = customers.length; i < len; i++) { if (customers[i].id === customerId) { customers.splice(i, 1); break; } } context.res = { headers: { 'Content-Type': 'application/json' }, // status: 200, /* Defaults to 200 */ body: { status: true } }; }