The string is removed and the underlined letter after the first underlined uppercase, such as: ba_cd_sa to baCdSa

splitDownLineandAfterToUpperCase (str) {

var = str.split ( '_');

var newA="";

for(var i=1;i<s.length;i++){

newA += s[i].substring(0, 1).toUpperCase() + s[i].substring(1);

}

Return newA = s [0] + newA;

},