asunar/index.html

## index.html
<html>
    <body>
        <button type="submit" onclick="submit();">Submit</button>

    </body>

    <script>
        function submit(){
            fetch("<api_url>", {

            // Adding method type
            method: "POST",
            // Adding body or contents to send
            body: JSON.stringify({"message":" This is bad service"}),

            // Adding headers to the request
            headers: {
            "Content-type": "application/json; charset=UTF-8"
            }
        })

        // Converting to JSON
        .then(response => response.json())

        // Displaying results to console
        .then(json => console.log(json));
        }
    </script>
</html>
	<html>
	<body>
	<button type="submit" onclick="submit();">Submit</button>

	</body>

	<script>
	function submit(){
	fetch("<api_url>", {

	// Adding method type
	method: "POST",
	// Adding body or contents to send
	body: JSON.stringify({"message":" This is bad service"}),

	// Adding headers to the request
	headers: {
	"Content-type": "application/json; charset=UTF-8"
	}
	})

	// Converting to JSON
	.then(response => response.json())

	// Displaying results to console
	.then(json => console.log(json));
	}
	</script>
	</html>