javascript bookmarklet hell

test-bookmarklet.js

javascript:(function() {
  var jsCode = document.createElement('script');
  jsCode.onLoad = function(){console.log('onLoad anon funtion called')};
  jsCode.setAttribute('src', 'http://localhost:3000/test.js');
  document.body.appendChild(jsCode);
})();

// if the console.log is inside of an anonymous function, it never gets called
// the onLoad call also doesn't seem to be able to see anything defined in the test.js file :(

test.js

function testFunction(){
  console.log("made it into the test function");
}

testFunction();