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Sample Visualforce Page Using the AJAX Toolkit

This example demonstrates using the AJAX Toolkit in a Visualforce page.

To add JavaScript to a Visualforce page, use this procedure:

Create the Visualforce page. For more information, see the Visualforce Developer's Guide.

Cut and paste the following sample code into your Visualforce page.

The JavaScript code queries your organization and returns every account ID, account name, and industry type, if any:

1<apex:page >
2    <script type="text/javascript">
3    var __sfdcSessionId = '{!GETSESSIONID()}';
4    </script>
5    <script src="../../soap/ajax/67.0/connection.js"
6          type="text/javascript"></script>
7    <script type="text/javascript">     window.onload = setupPage;
8    function setupPage() {
9      //function contains all code to execute after page is rendered
10
11      var state = { //state that you need when the callback is called
12          output : document.getElementById("output"),
13          startTime : new Date().getTime()};
14
15      var callback = {
16          //call layoutResult if the request is successful
17          onSuccess: layoutResults,
18
19          //call queryFailed if the api request fails
20          onFailure: queryFailed,
21          source: state};
22
23      sforce.connection.query(
24          "Select Id, Name, Industry From Account order by Industry",
25           callback);
26  }
27
28  function queryFailed(error, source) {
29    source.output.innerHTML = "An error has occurred: " + error;
30  }
31
32  /**
33  * This method will be called when the toolkit receives a successful
34  * response from the server.
35  * @queryResult - result that server returned
36  * @source - state passed into the query method call.
37  */
38  function layoutResults(queryResult, source) {
39    if (queryResult.size > 0) {
40      var output = "";
41
42      //get the records array
43      var records = queryResult.getArray('records');
44
45      //loop through the records and construct html string
46      for (var i = 0; i < records.length; i++) {
47        var account = records[i];
48
49        output += account.Id + " " + account.Name +
50            " [Industry - " + account.Industry + "]<br>";
51      }
52
53    //render the generated html string
54    source.output.innerHTML = output;
55    }
56  }
57  </script>
58
59    <div id="output"> </div>
60   
61</apex:page>

After you created and navigated to the Visualforce page, you see text similar to this image:

output of scontrol, list of Ids, names, and value for industry

You can also use an Apex controller to create the Visualforce page. However, this sample is about basic functionality with the AJAX Toolkit that contains API calls and processes Salesforce data.

Note

AJAX Toolkit Developer Guide

Sample Visualforce Page Using the AJAX Toolkit