const url = "http://example.com";
fetch(url, {
method : "POST",
body: new FormData(document.getElementById("inputform")),
// -- or --
// body : JSON.stringify({
// user : document.getElementById('user').value,
// ...
// })
}).then(
response => response.text() // .json(), etc.
// same as function(response) {return response.text();}
).then(
html => console.log(html)
);
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