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Method Chaining

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Original file line number	Diff line number	Diff line change
`@@ -205,4 +205,15 @@ Method chains allow a series of functions to operate in succession to reach a fi`
`205`	`205`	`For example:`
`206`	`206`
`207`	`207`	```javascript
	`208`	`+let cart = [`
	`209`	`+ {name: "Drink", price: 3.12},`
	`210`	`+ {name: "Steak", price: 45.15},`
	`211`	`+ {name: "Drink", price: 11.01}`
	`212`	`+];`
	`213`	`+`
	`214`	`+let DrinkTotal = cart.filter(x => x.name === "Drink")`
	`215`	`+ .map(x => x.price)`
	`216`	`+ .reduce((t, v) => t += v)`
	`217`	`+ .toFixed(2);`
	`218`	`+console.log(Total Drink Cost $${drinkTotal}); // Total Drink Cost 14ドル.13`
`208`	`219`	```

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