How to Include a Local JavaScript File (e.g., jquery.min.js) in a Go Template?

Including a Local JS File in Go Template

Your question pertains to including a local JavaScript file, specifically jquery.min.js, in your Go template. The reason your attempt to load it using a local path failed may be due to the lack of a handler or handler function to serve the file.

Solution 1: Manually Handle the File

• This involves reading the file's content, setting the appropriate content type ("application/javascript"), and sending the content to the response.
• Ensure you specify the absolute path to the file or place it in the current working directory.

func SendJqueryJs(w http.ResponseWriter, r *http.Request) {
    data, err := ioutil.ReadFile("jquery.min.js")
    if err != nil {
        http.Error(w, "Couldn't read file", http.StatusInternalServerError)
        return
    }
    w.Header().Set("Content-Type", "application/javascript; charset=utf-8")
    w.Write(data)
}

Solution 2: Using http.ServeFile()

• This function allows you to easily send the content of a file to a response.

func SendJqueryJs(w http.ResponseWriter, r *http.Request) {
    http.ServeFile(w, r, "jquery.min.js")
}

Solution 3: Using http.FileServer()

• This is particularly suitable for serving multiple static files.
• You can create a handler to serve files from a specific folder.

http.Handle("/tmpfiles/",
    http.StripPrefix("/tmpfiles/", http.FileServer(http.Dir("/tmp"))))

This will serve files from the "/tmp" directory to URLs starting with "/tmpfiles/."

By implementing one of these solutions, you should be able to include your local jquery.min.js file in your Go template.

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