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- function diffArea(input) {
- var type = input[0];
- var sideA = Number(input[1]);
- var SideB = Number(input[2]);
- var map = new Map ([
- ['square', sideA*sideA],
- ['rectangle', sideA*SideB],
- ['circle', sideA*sideA*Math.PI],
- ['triangle', (sideA*SideB)/2]
- ]);
- console.log((Math.floor(map.get(type) * 1000) / 1000).toFixed(3));
- }
- diffArea(['rectangle', '7', '2.5']);
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