Created
July 10, 2015 02:36
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Fizz Buzz on Javascript
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// Logic 1: The shortest | |
(function(i,c){while(i<=100){if(i%15==0){c("FizzBuzz")}else if(i%3==0){c("Fizz")}else if(i%5==0){c("Buzz")}else{c(i)}i++}})(1,console.log.bind(console)); | |
// Logic 2: Use Array#forEach | |
(function(i,a){while(i<=100){a.push(i);i++}return a;})(1,[]).forEach(function(i){ | |
if(i % 15 == 0){ | |
console.log("FizzBuzz"); | |
} else if(i % 3 == 0) { | |
console.log("Fizz"); | |
} else if(i % 5 == 0){ | |
console.log("Buzz"); | |
} else{ | |
console.log(i); | |
} | |
}); | |
// Logic 3: Extend <Number> | |
Number.prototype.fizzBuzz = function(){ | |
var i = Number(this); | |
if(i % 15 == 0) return 'FizzBuzz'; | |
if(i % 3 == 0) return 'Fizz'; | |
if(i % 5 == 0) return 'Buzz'; | |
return i; | |
} | |
for (var i = 1; i <= 100; i++) console.log(i.fizzBuzz()); | |
// Logic 4: Recursive Function | |
function fizzBuzz(i){ | |
if(i % 15 == 0){ | |
console.log("FizzBuzz"); | |
} else if(i % 3 == 0) { | |
console.log("Fizz"); | |
} else if(i % 5 == 0){ | |
console.log("Buzz"); | |
} else{ | |
console.log(i); | |
} | |
if (i < 100) { | |
i++; | |
fizzBuzz(i); | |
} | |
} | |
fizzBuzz(1); | |
// Logic 5: without % by using RegExp | |
function isFizz(i) { | |
var str = String(String(i).split('').map(function(k){return Number(k);}).reduce(function(n,p){ return n + p;})); | |
if (str.length != 1) return isFizz(Number(str)); | |
return !!str.match(/[369]/); | |
} | |
function isBuzz(i) { | |
return !!String(i).match(/.*[05]$/) | |
} | |
for (var i = 1; i <= 100; i++) { | |
if(isFizz(i) && isBuzz(i)){ | |
console.log("FizzBuzz"); | |
} else if(isFizz(i)) { | |
console.log("Fizz"); | |
} else if(isBuzz(i)){ | |
console.log("Buzz"); | |
} else{ | |
console.log(i); | |
} | |
} | |
// eval() + Unicode Escape Sequence | |
eval("\u0028\u0066\u0075\u006E\u0063\u0074\u0069\u006F\u006E\u0028\u0069\u002C\u0063\u0029\u007B\u0077\u0068\u0069\u006C\u0065\u0028\u0069\u003C\u003D\u0031\u0030\u0030\u0029\u007B\u0069\u0066\u0028\u0069\u0025\u0031\u0035\u003D\u003D\u0030\u0029\u007B\u0063\u0028\u0022\u0046\u0069\u007A\u007A\u0042\u0075\u007A\u007A\u0022\u0029\u007D\u0065\u006C\u0073\u0065\u0020\u0069\u0066\u0028\u0069\u0025\u0033\u003D\u003D\u0030\u0029\u007B\u0063\u0028\u0022\u0046\u0069\u007A\u007A\u0022\u0029\u007D\u0065\u006C\u0073\u0065\u0020\u0069\u0066\u0028\u0069\u0025\u0035\u003D\u003D\u0030\u0029\u007B\u0063\u0028\u0022\u0042\u0075\u007A\u007A\u0022\u0029\u007D\u0065\u006C\u0073\u0065\u007B\u0063\u0028\u0069\u0029\u007D\u0069\u002B\u002B\u007D\u007D\u0029\u0028\u0031\u002C\u0063\u006F\u006E\u0073\u006F\u006C\u0065\u002E\u006C\u006F\u0067\u002E\u0062\u0069\u006E\u0064\u0028\u0063\u006F\u006E\u0073\u006F\u006C\u0065\u0029\u0029\u003B") |
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