using apis in javascript
// Create a request variable and assign a new XMLHttpRequest object to it.
var request = new XMLHttpRequest()
// Open a new connection, using the GET request on the URL endpoint
request.open('GET', url, true)
request.onload = function () {
// Begin accessing JSON data here
}
// Send request
request.send()what do we have in the request and response in api
REQUEST :(request url,http methods,header,query param, param,body,cookie)
1-)Request Url where we have Endpoint (domain:Port/Endpoints)
2-)HTTP METHODS(Get, Post, Put, Patch, Delete, Header)
Get: For to retrieve resources from the server
Post: to send or add resource to the server
Put: For update the resources in the server
Patch: For partial update the resource
Delete: For deleting the resource in the server
Head: To get header from the response not the body
3-)HEADER is metadata is about the request,
basically providing more information along
with the request.
-Content Type header : to specify what kind of
data we are sending to the server
-Accept Header : to specify what kind of data
format you want to get in the response like (json or xml)
-Authorization header : used to provide the
Bearer token in many api's.
4-)Query Parameter: A key value pair usually
for filtering result
5-)Parameter: for identifying single resource
among the list of resources.
6-)Payload(BODY): for POST,PUT,PATCH request
(json,xml,plainText,URL encoded for data)
7-)Cookie
RESPONSE :(STATUS CODE,PAYLOAD(body),HEADER,COOKIE,
TIME(spent to get response))
1-Status Code:
2xx - Success
4xx - Client Error
5xx - Server Error
2-Payload(Body) :
The actual resource we got from the server.
Content type can be : plain text, json, xml, html, json etc.
3- Metadata about response to provide more information
4- Cookie
5- Time for getting spended time for the responseCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
