personagem para ascii javascript
"ABC".charCodeAt(0) // returns 65
blackhawk
"ABC".charCodeAt(0) // returns 65
String.fromCharCode(97); // --> 'a'
'a'.charCodeAt(0)//returns 97, where '0' is the index of the string 'a'
var myVar='A';
var myVarAscii = myVar.charCodeAt(0); //convert 'A' character to it's ASCII code (65)
String.fromCharCode(65,66,67); // returns 'ABC'
String.fromCharCode(65,66,67); // returns 'ABC'