jQuery Learning Lesson 5 Ajax Instructions_jquery

jQuery provides several ajax functions. They are similar but separated to process different types of data. The simplest is get(url, parameters, callback). This function initiates a GET request and passes the data returned by the server to the callback for processing. The following example implements the effect of initiating an ajax request when the mouse hovers over a hyperlink and returning more information about the hyperlink from the server. First look at the server-side code, create a new ajaxload.ashx, just as an example, get the value of the query parameter word, and return:

Copy code The code is as follows:

<%@ WebHandler Language="C#" Class="ajaxload" %>
using System;
using System.Web;
public class ajaxload : IHttpHandler {
public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/plain";
string word = context.Request.Params["word"];
context.Response.Write(string.Format("

More intorduction of {0} is here....

",word));
}
public bool IsReusable {
get {
return false;
}
}
}

The front-end code is as follows:

Copy code The code is as follows: