Function after

MathBox/mathbox-bundle.js:40271–40280

* Creates a function that executes `func`, with the `this` binding and * arguments of the created function, only after being called `n` times. * * @static * @memberOf _ * @category Functions * @param {number} n The number of times the function must be called before

(n, func)

     * // => logs 'Done saving!', after all saves have completed
     */
    function after(n, func) {
      if (!isFunction(func)) {
        throw new TypeError;
      }
      return function() {
        if (--n < 1) {
          return func.apply(this, arguments);
        }
      };
    }

    /**
     * Creates a function that, when called, invokes `func` with the `this`