diff --git a/examples/upload/.gitignore b/examples/upload/.gitignore
new file mode 100644
index 0000000..fb68e0c
--- /dev/null
+++ b/examples/upload/.gitignore
@@ -0,0 +1 @@
+upload
diff --git a/examples/upload/main.go b/examples/upload/main.go
new file mode 100644
index 0000000..e042ecf
--- /dev/null
+++ b/examples/upload/main.go
@@ -0,0 +1,130 @@
+package main
+
+import (
+ "context"
+ "flag"
+ "fmt"
+ "io/ioutil"
+ "log"
+ "net/http"
+ "os"
+
+ cdp "github.com/knq/chromedp"
+ cdptypes "github.com/knq/chromedp/cdp"
+ "github.com/knq/chromedp/cdp/dom"
+)
+
+var (
+ flagPort = flag.Int("port", 8544, "port")
+)
+
+func main() {
+ var err error
+
+ flag.Parse()
+
+ // create http server and result channel
+ result := make(chan int, 1)
+ mux := http.NewServeMux()
+ mux.HandleFunc("/", func(res http.ResponseWriter, req *http.Request) {
+ fmt.Fprintf(res, uploadHTML)
+ })
+ mux.HandleFunc("/upload", func(res http.ResponseWriter, req *http.Request) {
+ f, _, err := req.FormFile("upload")
+ if err != nil {
+ http.Error(res, err.Error(), http.StatusBadRequest)
+ return
+ }
+ defer f.Close()
+
+ buf, err := ioutil.ReadAll(f)
+ if err != nil {
+ http.Error(res, err.Error(), http.StatusBadRequest)
+ return
+ }
+
+ fmt.Fprintf(res, resultHTML, len(buf))
+
+ result <- len(buf)
+ })
+
+ go http.ListenAndServe(fmt.Sprintf(":%d", *flagPort), mux)
+
+ // create context
+ ctxt, cancel := context.WithCancel(context.Background())
+ defer cancel()
+
+ // create chrome instance
+ c, err := cdp.New(ctxt, cdp.WithLog(log.Printf))
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ // get wd
+ wd, err := os.Getwd()
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ filepath := wd + "/main.go"
+
+ // get some info about the file
+ fi, err := os.Stat(filepath)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ // run task list
+ var sz string
+ err = c.Run(ctxt, upload(filepath, &sz))
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ // shutdown chrome
+ err = c.Shutdown(ctxt)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ // wait for chrome to finish
+ err = c.Wait()
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ log.Printf("original size: %d, upload size: %d", fi.Size(), <-result)
+}
+
+func upload(filepath string, sz *string) cdp.Tasks {
+ var ids []cdptypes.NodeID
+ return cdp.Tasks{
+ cdp.Navigate(fmt.Sprintf("http://localhost:%d", *flagPort)),
+ cdp.WaitVisible(`input[name="upload"]`),
+ cdp.NodeIDs(`input[name="upload"]`, &ids, cdp.NodeVisible),
+ cdp.ActionFunc(func(ctxt context.Context, h cdptypes.Handler) error {
+ return dom.SetFileInputFiles(ids[0], []string{filepath}).Do(ctxt, h)
+ }),
+ cdp.Click(`input[name="submit"]`),
+ cdp.Text(`#result`, sz, cdp.ByID, cdp.NodeVisible),
+ }
+}
+
+const (
+ uploadHTML = `
+
+
+
+
+`
+
+ resultHTML = `
+
+
+ %d
+
+`
+)