Iterating over array of object and capitailizing the first leter

capitalize-obj.js

var myResponse = {"start_date":["A valid integer is required."],
"end_date":["A valid integer is required."], "commite":["Require commite."]}


//iterate over the serializer error message
for (var prop in myResponse) {
    var errorValue = myResponse[prop];
    //test if the current prop has an _ in it string value
    var _pattern = /_/;
    if (_pattern.test(prop)) {
        //split the string based on the _ and join the string based with a spacke
        prop = prop.split('_').join(' ');
    }
    //capitalize the prop
    prop = prop.replace(/\b\w/g, function(s) {
        return s.toUpperCase();
    });
    var errorMessage  = prop.concat(" ", errorValue);
    console.log(errorMessage);
}