Headers.has
Read response headers.
js
response.headers.has(name)Arguments
| Argument | Type | Meaning |
|---|---|---|
name | string | Case-insensitive header name. |
Returns
Boolean.
Example
js
fetch("https://example.com").then(response => {
console.log(response.headers.has("content-type"));
}).catch(error => { console.error(error.message); throw error; });