using fetch api to make clientside requests

fetch.js

fetch('/api/v1/clients', {
    method: 'post',
    headers: {
        'accept': 'application/json',
        'content-type': 'application/json',
        'x-csrf-token': 'bJYS4JDu-mmYxfO4Vrnqb8vruIC8Hh-uAvzk'
    },
    body: JSON.stringify({ "name": "test" })
  }).then(function(res) {
     res.json().then(function(data) {
            console.log(data);
        });
  })


fetch('/api/v1/clients', {
    method: 'POST',
    headers: {
        'accept': 'application/json'
    },
    body: JSON.stringify({ "name": "test" })
  }).then(function(res) {
     res.json().then(function(data) {
            console.log(data);
        });
  })

  fetch('/api/v1/clients', {
    method: 'post',
    headers: {
        'accept': 'application/json',
        'content-type': 'application/json',
        'x-csrf-token': '6v0vDFuc-lpc3-s2zSXGXoHCJ0qTDA0pyox8',
        'host': 'evil.com'
    },
    body: JSON.stringify({ "name": "test" })
  }).then(function(res) {
     res.json().then(function(data) {
            console.log(data);
        });
  })


fetch('/api/v1/Clients')
    .then(function(res) { 
    
        res.json().then(function(data) {
            console.log(data);
        });
    });