AlphaT7

fetch("post.php", {
    method: "post",
    mode: "cors",
    headers: {
      "Content-Type": "application/json"
    },
    body: {data: "data"}
  })
    .then(response => {
      return response.text(); // returns text that can used as html

alghanmi

#include <iostream>
#include <string>
#include <curl/curl.h>


static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
    ((std::string*)userp)->append((char*)contents, size * nmemb);
    return size * nmemb;
}