QUnit - Callbacks

When integrating QUnit into other tools like CI servers, these callbacks can be used as an API to read test results. Following is the execution procedure of the QUnit callback API method with an example.
Live Demo
<html>
   <head>
      <meta charset = "utf-8">
      <title>QUnit basic example</title>
      <link rel = "stylesheet" href = "https://code.jquery.com/qunit/qunit-1.22.0.css">
      <script src = "https://code.jquery.com/qunit/qunit-1.22.0.js"></script>
   </head>
   
   <body>
      <div id = "qunit"></div>
      <div id = "qunit-fixture"></div> 
      <script>
         //Register a callback to fire whenever a testsuite starts.
         QUnit.begin(function( details ) {
            var data = document.getElementById("console").innerHTML;
            document.getElementById("console").innerHTML = "<br/>" + 
               "QUnit.begin- Test Suite Begins " + "<br/>" + 
               "Total Test: " + details.totalTests;
         });

         //Register a callback to fire whenever a test suite ends.		 
         QUnit.done(function( details ) {
            var data = document.getElementById("console").innerHTML;
            document.getElementById("console").innerHTML = data + "<br/><br/>" + 
               "QUnit.done - Test Suite Finised" +  "<br/>" + "Total: " +  
               details.total + " Failed: " + details.failed + " Passed: 
               " + details.passed;
         });
		 
         //Register a callback to fire whenever a module starts.
            QUnit.moduleStart(function( details ) {
               var data = document.getElementById("console").innerHTML;
               document.getElementById("console").innerHTML = data + "<br/><br/>" + 
                  "QUnit.moduleStart - Module Begins " +  "<br/>" + details.name;
         });
		 
         //Register a callback to fire whenever a module ends.	  
         QUnit.moduleDone(function( details ) {
            var data = document.getElementById("console").innerHTML;
            document.getElementById("console").innerHTML = data + "<br/><br/>" + 
               "QUnit.moduleDone - Module Finished " +  "<br/>" + details.name + 
               " Failed/total: " + details.failed +"/" + details.total ;
         });
		 
         //Register a callback to fire whenever a test starts.
         QUnit.testStart(function( details ) {
            var data = document.getElementById("console").innerHTML;
            document.getElementById("console").innerHTML = data + "<br/><br/>" + 
               "QUnit.testStart - Test Begins " +  "<br/>" + details.module +" 
               " + details.name;
         });
		 
         //Register a callback to fire whenever a test ends.
         QUnit.testDone(function( details ) {
            var data = document.getElementById("console").innerHTML;
            document.getElementById("console").innerHTML = data + "<br/><br/>" + 
               "QUnit.testDone - Test Finished " +  "<br/>" + details.module +" " 
               + details.name + "Failed/total: " + details.failed +" " + details.total+ 
               " "+ details.duration;
         });
		 
         QUnit.module( "Module A", {
            beforeEach: function( assert ) {
               assert.ok( true, "before test case" );
            }, afterEach: function( assert ) {
               assert.ok( true, "after test case" );
            }
         });
         
         QUnit.test( "test case 1", function( assert ) {
            assert.ok( true, "Module A: in test case 1" );
         });
         
         QUnit.test( "test case 2", function( assert ) {
            assert.ok( true, "Module A: in test case 2" );
         });
		 		 
         QUnit.module( "Module B" );		
         QUnit.test( "test case 1", function( assert ) {
            assert.ok( true, "Module B: in test case 1" );
         });
         
         QUnit.test( "test case 2", function( assert ) {
            assert.ok( true, "Module B: in test case 2" );
         });	 
      </script>

      <div id = "console" ></div>
   </body>
</html>
Verify the Output

You should see the following result −