How to Send a POST Request using JavaScript?

XMLHttp request is used to send POST requests using vanilla javascript to interact with the server. It also provides the Content-Type request header for the POST message body data. Basically, Hypertext Transfer Protocol ( HTTP ) performs the role of communicator between the clients and the server. Hence, it works as a request-response between client and server.

javascript send post

on Jan 01, 1970

var xhr = new XMLHttpRequest();
xhr.open("POST", yourUrl, true);
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.send(JSON.stringify({
    value: value
}));

0

http request javascript

on Jan 01, 1970

function httpGetAsync(url, callback) {
  var xmlHttp = new XMLHttpRequest();
  xmlHttp.onreadystatechange = function() { 
    if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
      callback(xmlHttp.responseText);
  }
  xmlHttp.open("GET", url, true); // true for asynchronous 
  xmlHttp.send(null);
}

0

javascript send post data with ajax

on Jan 01, 1970

function makeRequest (method, url, data) {
  return new Promise(function (resolve, reject) {
    var xhr = new XMLHttpRequest();
    xhr.open(method, url);
    xhr.onload = function () {
      if (this.status >= 200 && this.status < 300) {
        resolve(xhr.response);
      } else {
        reject({
          status: this.status,
          statusText: xhr.statusText
        });
      }
    };
    xhr.onerror = function () {
      reject({
        status: this.status,
        statusText: xhr.statusText
      });
    };
    if(method=="POST" && data){
        xhr.send(data);
    }else{
        xhr.send();
    }
  });
}

//POST example
var data={"person":"john","balance":1.23};
makeRequest('POST', "https://www.codegrepper.com/endpoint.php?param1=yoyoma",data).then(function(data){
              var results=JSON.parse(data);
});

0

post request javascript

on Jan 01, 1970

const createPostRequest = async () => {
	try{
		const { data } = await axios.post(url, body_data, {
		   headers: {
	    	 'Authorization': `Basic ${token}`
		   },
		})
    
	    console.log(data)
	} catch (error) {
		console.log(error)
	}
}

createPostRequest();

0

In the above, I have told you how to send post requests in javascript.

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