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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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10
Task/Middle-three-digits/JavaScript/middle-three-digits.js Normal file
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@ -0,0 +1,10 @@
function middleThree(x){
var n=''+Math.abs(x); var l=n.length-1;
if(l<2||l%2) throw new Error(x+': Invalid length '+(l+1));
return n.slice(l/2-1,l/2+2);
}
[123, 12345, 1234567, 987654321, 10001, -10001, -123, -100, 100, -12345,
1, 2, -1, -10, 2002, -2002, 0].forEach(function(n){
try{console.log(n,middleThree(n))}catch(e){console.error(e.message)}
});