Transferring large data sets between JavaScript (JS) and Go can be challenging, especially when considering performance and efficiency. This guide provides strategies to optimize data transfer for web applications.
// Example Go Server
package main
import (
"encoding/json"
"net/http"
)
type Data struct {
ID int `json:"id"`
Name string `json:"name"`
}
func dataHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
data := []Data{
{ID: 1, Name: "Item One"},
{ID: 2, Name: "Item Two"},
}
json.NewEncoder(w).Encode(data)
}
func main() {
http.HandleFunc("/data", dataHandler)
http.ListenAndServe(":8080", nil)
}
// Example JavaScript Fetch API
fetch('http://localhost:8080/data')
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));
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