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juanj032/palindrome.js

Created April 23, 2013 18:45
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Numeros palindromes
Raw
palindrome.js
(function(window, document){
function isPalindrome (num) {
num = num.toString();
return num == (num.split("").reverse().join(""));
}
var inicio = Date.now();
var data = new XMLHttpRequest();
var count = 0;
data.open("GET","seed.txt",false);
data.send();
data = data.responseText.split("\n");
while(data.length){
var rangos = data.pop().split(" ");
rangos[0] = rangos[0] >> 0;
rangos[1] = rangos[1] >> 0;
for (var i = rangos[0]; i < rangos[1]; i++) {
if(isPalindrome(i))
count++;
};
}
var fin = Date.now();
var total = (fin-inicio)/1000;
console.log("Total palindromes: "+count);
console.log("Tiempo total: "+total);
})(window,document)
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