weblabtechnology

mutation {
  createUser (name : “John”, username: ”jo123”){
    name
    username
  }
}

weblabtechnology

{
  Users (last: 3) {
    name
    username
}}

weblabtechnology

{
  “Users”: [
  {“name”: “Damira”},
  {“name”: “Michael”}
  {“name”: “Salman”}
  {“name”: “Sara”}
  {“name”: “Maria”}
]
}

weblabtechnology

{
 Users {
   name
 }
}

weblabtechnology

query {
 users {
    name
    education {
      degree
      year
    }
    age
    address {
      country

weblabtechnology

‘author_name’ => [
  ‘type’ => Type::string(),
  ‘deprecationReason’ => ‘Deprecated. Use author field’,
 ],

weblabtechnology

Request: query { books { error_field } }
Response:
Request Method:POST
Status Code: 200 OK
{“errors”:[{“message”:”Cannot query field \”error_field\” on type \”Book\”.”,”category”:”graphql”,”locations”:[{“line”:3,”column”:3}]}]}

weblabtechnology

query {
 books {
   title
   price
 } 
}

weblabtechnology

query {
  books {
    id
    title
    author
    isbn
    price
  } 
}

weblabtechnology

function f(arg1:number, arg2?:number) {
    return arg1+arg2||0;
}

const res = f("hello", "world");