function checkGrammar(text){
    const opts = {
        headers: {
            "accept": "application/vnd.splat+json",
        }
    }
    return new Promise(async (resolve) => {
        let job = await fetch("https://api.cram.com/article-evaluations", {
          "body": JSON.stringify({
              "text": text,
              "evaluate":["grammar","plagiarism"]
          }),
          "method": "POST",
          ...opts,
        }).then(res => res.json())
        let int = setInterval(async () => {
            let res = await fetch(`https://api.cram.com/article-evaluations/${job.data.id}`, {
              "headers": {
                "accept": "application/vnd.splat+json",
              },
              "method": "GET",
            }).then(res => res.json())
            if (res.data.is_success === 1){
                clearInterval(int);
                return resolve(res.data.result);
            }
        }, 500)
    });
}