Headers.prototype.append

Appends a value to an existing header inside a Headers object, or adds the header if it does not already exist.

Syntax

append(name, value)

Parameters

• name

  The name of the HTTP header to append.

• value

  The value of the HTTP header to append.

Return value

undefined

Examples

let headers = new Headers()
headers.append('content-type', 'application/json')
print(headers.get('content-type'))

application/json