function capitalizeFirstLetter(str) {
    if (isNullOrWhitespace(str)) {
        return str;
    }

    return str.charAt(0).toUpperCase() + str.slice(1);
}
/**
 * Capitalizes the first letter of a sequence
 * @param {string} str Sequence
 * @returns {string} Sequence with its first letter capitalized
 * @memberof STD
 */
Capitalizes the first letter of a sequence
@param {string} str Sequence
@returns {string} Sequence with its first letter capitalized
@memberof STD
Capitalizes the first letter of a sequence @param { string } str Sequence @returns { string } Sequence with its first letter capitalized @memberof STD
function capitalizeFirstLetter(str) {
    if (isNullOrWhitespace(str)) {
        return str;
    }
    return str.charAt(0).toUpperCase() + str.slice(1);
}
function capitalizeFirstLetter ( str ) { if ( isNullOrWhitespace ( str ) ) { return str ; } return str . charAt ( 0 ) . toUpperCase ( ) + str . slice ( 1 ) ; }
Capitalizes the first letter of a sequence
 @param {string} str Sequence
 @returns {string} Sequence with its first letter capitalized
 @memberof STD
Capitalizes the first letter of a sequence @param { string } str Sequence @returns { string } Sequence with its first letter capitalized @memberof STD