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JS美化工具

class Greeter {greeting: string;
	constructor (message: string) {this.greeting = message;
	}
	greet() {
		return "Hello, " + this.greeting;
	}
}   

var greeter = new Greeter("world");

var button = document.createElement('button')
button.innerText = "Say Hello"
button.onclick = function() {
	alert(greeter.greet())
}

document.body.appendChild(button)

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活到老，学到老，学到八十仍嫌少。