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Function Delegates

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`@@ -21,3 +21,13 @@ needed.`
`21`	`21`	`const multiply = (x, y) => x * y;`
`22`	`22`	`console.log(multiply(5,10)) //50`
`23`	`23`	```
	`24`	`+`
	`25`	`+## Function Delegates`
	`26`	`+`
	`27`	`+Function delegates encapsulate a method allowing functions to be composed or passed as data.`
	`28`	`+`
	`29`	+```javascript
	`30`	`+const isZero = n => n === 0;`
	`31`	`+const a = [0,1,0,3,4,0];`
	`32`	`+console.log(a.filter(isZero).length); // 3`
	`33`	+```

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