text: describe("hx-ext attribute", function() {
  
      var ext1Calls, ext2Calls, ext3Calls;
  
      beforeEach(function () {
          ext1Calls = ext2Calls = ext3Calls = 0;
          this.server = makeServer();
          clearWorkArea();
          htmx.defineExtension("ext-1", {
              onEvent : function(name, evt) {
                  if(name === "htmx:afterRequest"){
                      ext1Calls++;
                  }
              }
          });
          htmx.defineExtension("ext-2", {
              onEvent : function(name, evt) {
                  if(name === "htmx:afterRequest"){
                      ext2Calls++;
                  }
              }
          });
          htmx.defineExtension("ext-3", {
              onEvent : function(name, evt) {
                  if(name === "htmx:afterRequest"){
                      ext3Calls++;
                  }
              }
          });
      });
  
      afterEach(function () {
          this.server.restore();
          clearWorkArea();
          htmx.removeExtension("ext-1");
          htmx.removeExtension("ext-2");
          htmx.removeExtension("ext-3");
      });
  
      it('A simple extension is invoked properly', function () {
          this.server.respondWith("GET", "/test", "Clicked!");
  
          var btn = make('<button hx-get="/test" hx-ext="ext-1">Click Me!</button>')
          btn.click();
          this.server.respond();
          ext1Calls.should.equal(1);
          ext2Calls.should.equal(0);
          ext3Calls.should.equal(0);
      });
  
      it('Extensions are merged properly', function () {
          this.server.respondWith("GET", "/test", "Clicked!");
  
          make('<div hx-ext="ext-1"><button id="btn-1" hx-get="/test" hx-ext="ext-2">Click Me!</button>' +
              '<button id="btn-2"  hx-get="/test" hx-ext="ext-3">Click Me!</button></div>')
          var btn1 = byId("btn-1");
          var btn2 = byId("btn-2");
  
          btn1.click();
          this.server.respond();
          ext1Calls.should.equal(1);
          ext2Calls.should.equal(1);
          ext3Calls.should.equal(0);
  
          btn2.click();
          this.server.respond();
          ext1Calls.should.equal(2);
          ext2Calls.should.equal(1);
          ext3Calls.should.equal(1);
      });
  
      it('supports comma separated lists', function () {
          this.server.respondWith("GET", "/test", "Clicked!");
  
          make('<div hx-ext="ext-1"><button id="btn-1" hx-get="/test" hx-ext="ext-2,  ext-3 ">Click Me!</button></div>')
          var btn1 = byId("btn-1");
          var btn2 = byId("btn-2");
  
          btn1.click();
          this.server.respond();
          ext1Calls.should.equal(1);
          ext2Calls.should.equal(1);
          ext3Calls.should.equal(1);
      });
  
      it('A simple extension is invoked properly  w/ data-* prefix', function () {
          this.server.respondWith("GET", "/test", "Clicked!");
  
          var btn = make('<button data-hx-get="/test" data-hx-ext="ext-1">Click Me!</button>')
          btn.click();
          this.server.respond();
          ext1Calls.should.equal(1);
          ext2Calls.should.equal(0);
          ext3Calls.should.equal(0);
      });
  
  
  });