is_this_a_triangle.js

/******************************************************************************************
 *                        CODEWARS IS THIS A TRIANGLE CHALLENGE                           *
 *                                                                                        *
 * Problem Statement                                                                      *
 * Implement a method that accepts 3 integer values a, b, c. The method should return true*
 * if a triangle can be built with the sides of given length and false in any other case. *
 * (In this case, all triangles must have surface greater than 0 to be accepted).         *
 *                                                                                        *
 * Examples                                                                               *
 * Input 1: (1,2,2)                                                                       *
 * Output 1: true                                                                         *
 *                                                                                        *
 * Input 2: (7,2,2)                                                                       *
 * Output 2: false                                                                        *
 *                                                                                        *
 *****************************************************************************************/

function isTriangle(a, b, c) {
  return (a + b <= c || a + c <= b || b + c <= a) ? false : true;
}