Examples

An edge function is used to generate a JSON object, and the JSON object is accessed and previewed from a browser.

An edge function is used to generate an HTML page, and the HTML page is accessed and previewed from a browser.

Cookies are used to count the number of access requests. When a browser accesses the Edge Functions service, the number of access requests is increased by 1.

Fetch a remote jQuery.js resource, and the resource is sent to a client in streaming mode in response to a request from the client.

Fetch a remote jQuery.js resource, and the Cache API is called to cache the resource to an EdgeOne edge node.

A .m3u8 file is rewritten to support TypeA authentication that controls access to .m3u8 files and .ts segments. You can modify the code as needed to support other authentication methods.

This example demonstrates how to use an edge function to fetch multiple remote resources, read and merge the resources in streaming mode, and respond to a client request by using the merged resource in streaming mode.

Demonstrating how to identify the client type via User-Agent in the request header, use fetch API to get the image from the origin, and convert it to the format required by the browser.

Demonstrating how to use an edge function to perform simple permission control by verifying the value of the x-custom-token request header. If the value is token-123456, access is allowed. Otherwise, access is denied.

The modification of the Content-Disposition in the response headers achieves the modification of the downloaded file name according to the fileName parameter in the request URL.

Transmits the request to the customer-specified remote authentication server. The authentication server verifies the user's request, and the Edge functions decide whether to allow access to the target resources based on the check result returned by the remote authentication server.

Determining the request sources by checking the Referer field in the HTTP request header. You can flexibly customize the matching rules for this Referer.

Implementing automatic redirection to the Target url of the region belonging to the Client by judging the region of the Client and realizes the delivery of requests based on the region of the Client through Edge functions.

Demonstrating how to use an edge function to verify whether the response content sent from the origin server is tampered with.

The client IP address is obtained in this example through client IP header EO-Client-IP activated in the rule engine, and assembled into data in the form of JSON to respond to the clients, which succeeds in obtaining client IP address by the use of edge function.

A edge function for simple permission control by validating the value of the request header x-custom-token.

Determining whether the request header Accept contains image/webp.

Hash-based Message Authentication Code (HMAC) is a kind of message authentication code based on hash function, mainly used to verify data integrity and identity authentication.

The Fetch API is called to fetch a remote jQuery.js resource and send the resource to a client in response to a request from the client.

Demonstrating how to use an edge function to cache POST requests.This example demonstrates how to use an edge function to cache POST requests.This example demonstrates how to use an edge function to cache POST requests.This example demonstrates how to use an edge function to cache POST requests.This example demonstrates how to use an edge function to cache POST requests.this example demonstrates how to use an edge function to cache post requests.

Cookies are used to store session information and perform A/B testing on requests. This example demonstrates how to use an edge function to perform A/B testing.