dynamicly-created-functions.js

var funcs = ['functionOne', 'functionTwo', 'functionThree'];
for(func in funcs) {
  (function (func_name) {
    window[func_name] = function () {
      console.log('My name is ' + func_name);
    }
  })(funcs[func]);
}

functionOne();
functionTwo();
functionThree();