Javascript | Uncaught TypeError: Cannot read properties of undefined (reading 'split')

1. 오류 : Uncaught TypeError: Cannot read properties of undefined (reading 'split')

 

2. 코드 수정한 내용 

(수정전) 

var d = $("#"+id).val().split(".");

(수정후) 

var regex = / /gi;
if(e != null && e != ''){
	e.replace(regex, '');
}
	
var d = (e||'').split(".");

 

3. 참고 

https://okky.kr/article/876611

OKKY | Uncaught TypeError: Cannot read property 'split' of undefined 에러가....