Request.formData()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2021年4月.
Request 接口的 formData() 方法读取请求体并将其作为 promise 返回，该 promise 将兑现一个 FormData 对象。
语法
js
formData()
参数
无。
返回值
示例
js
const formData = new FormData();
const fileField = document.querySelector('input[type="file"]');
formData.append("username", "abc123");
formData.append("avatar", fileField.files[0]);
const request = new Request("/myEndpoint", {
method: "POST",
body: formData,
});
request.formData().then(function (data) {
// do something with the formdata sent in the request
});
规范
| Specification |
|---|
| Fetch # ref-for-dom-body-formdata① |
浏览器兼容性
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