All implementations assume console.log is a static function with side-effect. All implementations assume Hello world!!! is a constant and does not need to be abstracted, and thus can be inlined.
const HelloWorld = (<div>Hello world!!!</div>);
// usage
React.render(HelloWorld, doment.body)console.log('Hello world!!!');
// usage
// none - procedural code
function printHelloWorld() {
console.log('Hello world!!!');
}
// usage
printHelloWorld();
class HelloWorld {
static print() {
console.log('Hello world!!!');
}
}
// usage
HelloWorld.print();
class HelloWorld {
print() {
console.log('Hello world!!!');
}
}
// usage
new HelloWorld().print()
class HelloWorld {
constructor(console) {
this.console = console;
}
print() {
this.console.log('Hello world!!!');
}
}
// usage
new HelloWorld(console).print();
class HelloWorld {
print(console) {
console.log('Hello world!!!');
}
}
// usage
new HelloWorld().print(console);
class HelloWorld {
$console;
print(console) {
this.$console.log('Hello world!!!');
}
}
// usage
Singleton.get(HelloWorld).print(console);
// following code would not work as Console is not publically initializable
class HelloWorld extends Console {
print() {
this.log('Hello world!!!');
}
}
// usage
new HelloWorld().log();
let myConsole = Object.create(console);
myConsole.print = function () {
this.log('Hello world!!!');
};
// usage
myConsole.print();
// following code would not work as Console is not publically initializable
function HelloWorld() {
}
HelloWorld.prototype = new Console();
HelloWorld.prototype.print = function () {
this.log('Hello world!!!');
};
// usage
new HelloWorld().log();
const HelloWorldMixin = {
printHelloWorld() {
console.log('Hello World!!!');
}
};
// usage
const obj = Object.assign({}, HelloWorldMixin);
obj.printHelloWorld();
const HelloWorldMixin = {
printHelloWorld(console) {
console.log('Hello World!!!');
}
};
// usage
const obj = Object.assign({}, HelloWorldMixin);
obj.printHelloWorld(console);
const HelloWorldMixin = {
printHelloWorld() {
console.log('Hello World!!!');
}
};
// usage
Object.assign(console, HelloWorldMixin);
console.printHelloWorld();
console.printHelloWorld = function() {
this.log('Hello world!!!');
}
// usage
console.printHelloWorld();
function createHelloWorld(f) {
return {
print() {
f.log('Hello world!!!');
}
}
}
// usage
createHelloWorld(console).print();
function createHelloWorld() {
return {
print(console) {
console.log('Hello world!!!');
}
};
}
// usage
createHelloWorld().print(console);
const HelloWorld = (function createHelloWorld() {
return {
print(console) {
console.log('Hello world!!!');
}
};
})();
// usage
HelloWorld.print(console);
// functional - eager eval - no side-effect
function helloWorld(console) {
return console.log('Hello world!!!');
}
// usage
helloWorld(console);
no side-effect
function helloWorld() {
return 'Hello World!!!';
}
// usage
console.log(helloWorld());
function helloWorld(f) {
return () => f.log('Hello world!!!');
}
// usage
helloWorld(console)();
function helloWorld() {
return (f) => f.log('Hello world!!!');
}
// usage
helloWorld()(console);