| 特性 | Chrome | Firefox | Safari | Edge |
|---|---|---|---|---|
| fetch Response Request Headers | 42 | 39 | 10.1 | 14 |
| headers[Symbol.iterator] headers.entries headers.keys headers.values | 42 | 44 | 10.1 | 16 |
| Response.error | 43 | 39 | 10.1 | 16 |
| ReadableStream response.body | 43 | 65 | 11.1 | 14 |
| request.formData response.formData | 60 | 39 | 14.1 | 79 |
| signal | 66 | 57 | 11.1 | 16 |
| 默认携带 Cookies | 68 | 61 | 12 | ? |
| headers.getSetCookie | 113 | 113 | 17 | 113 |
| response.body.getReader({ mode: 'byob' }) | 116 | 102 | 26.4 | 116 |
| response.bytes | 132 | 128 | 18 | 132 |