bin2hex en js
function bin2hex(s){
var v,i, f = 0, a = [];
s += '';
f = s.length;
for (i = 0; i<f; i++) {
a[i] = s.charCodeAt(i).toString(16).replace(/^([\da-f])$/,"0$1");
}
return a.join('');
}
// Converts the binary representation of data to hex
//
// version: 812.316
// discuss at: http://phpjs.org/functions/bin2hex
// + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + bugfixed by: Onno Marsman
// + bugfixed by: Linuxworld
// * example 1: bin2hex('Kev');
// * returns 1: '4b6576'
// * example 2: bin2hex(String.fromCharCode(0x00));
// * returns 2: '00'
MrBeanDev