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chrismilleruk/functions.html

Forked from paulrouget/functions.html
Last active August 29, 2015 14:24
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functions.html
<!DOCTYPE html>
<meta charset=utf-8 />
<title>Defining JavaScript functions, the ES6 way</title>
<h1>Defining JavaScript functions, the ES6 way</h1>
<em>Use Firefox 22 (Firefox Nightly)</em>
<script>
// old school
var square = function(x) {
return x * x;
}
console.log(square(3));
// Expression closures
// doc: http://mzl.la/10TNpzc
// *Edit:* I've been told that Expression Closures are not part of ES6. Still cool.
var square = function(x) x * x;
console.log(square(3));
// Arrow functions
// spec: http://bit.ly/KN3z1c
var square = x => { return x * x; };
console.log(square(3));
// Arrow function + expression closure
var square = x => x * x;
console.log(square(3));
// Destructuring assignment
// doc: http://mzl.la/Xed4Ua
var squareAndCube = x => [x*x, x*x*x];
var [s,c] = squareAndCube(3);
console.log(s + ", " + c);
</script>
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