Check if a string ends with a given string target

confirmEnding.js

/**
 * Confirm endings
 * 
 * Check if a string ends with a given target
 *
 * @param   String  string
 * @param   String  target    A target to match with the given string
 */
function confirmEnding(string, target) {
  
  	return string.substr(-target.length) === target ? true : false;
}

// Used
confirmEnding("Bastian", "n");