Odi mathdroid

## async-practice.js
function main(callback1, callback2) {
  callback1();

  callback2();
  callback2();
  callback2();
}

function helloWorld() {
  console.log("hello world");

## code.2.gif
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## code.5.gif
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## code.1.gif
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## code.0.gif
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## code.4.gif
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## code.3.gif
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## code.3.gif
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## code.5.gif
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## code.1.gif
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	function main(callback1, callback2) {
	callback1();

	callback2();
	callback2();
	callback2();
	}

	function helloWorld() {
	console.log("hello world");