example

example

package main

import (
    "time"
    "github.com/gopherjs/gopherjs/js"
)

func main() {
    c := make(chan string)
    //Three concurrent infinite loops generating events
    go generateEvents(1 * time.Second,"event source one", c)
    go generateEvents(2 * time.Second,"event source two", c)
    go generateEvents(3 * time.Second,"event source three", c)
    //Forth thread displays events
    displayEvents(c)
}


func generateEvents(delay time.Duration,message string,eventChan chan string) {
    for {
        time.Sleep(delay)
        eventChan <- message
    }
}


func displayEvents(eventChan chan string) {
    for {
        event := <- eventChan
        js.Global.Call("alert", event)
    }
}