anubhavsrivastava · February 3, 2019 16:28
diff --git a/add(2)(3) via explicit argumentless call b/add(2)(3) via explicit argumentless call
 function add(x){
  let sum = x;
  return function resultFn(y){
    if(arguments.length){ //not relying on falsy value
      sum += y;
      return resultFn;
    }
    return sum;
  }
 }
	function add(x){
	let sum = x;
	return function resultFn(y){
	if(arguments.length){ //not relying on falsy value
	sum += y;
	return resultFn;
	}
	return sum;
	}
	}