how to check acii values in javascript code example

Example 1: get ascii value of char javascript

word = userInput[0]; //abc
var sum =0;
for(i=0;i<word.length;i++)
{
    sum = sum + word.charCodeAt(i);
}
console.log(sum); //294

Example 2: look up asciii value javascript

var charCode = "a".charCodeAt(0);
console.log(charCode);