char remove and concate string
JavaScript
function removeChar(str, charPos){
var str1 = str.substring(0,charPos);
var str2 = str.substring(charPos+1, str.length);
return(str1+str2+"</br>");
}
document.write(removeChar("Python", 0));
document.write(removeChar("Python", 3));
document.write(removeChar("Python", 4));