퇴근 후 JS - Statements

https://www.w3schools.com/js/js_statements.asp

JavaScript Statements

 

가볍게 봐도 될꺼 같지만 알아두는 것도 괜찮다

 

1. 문장끝엔 세미클론;

2. 여백이 가능하다

3. 키워드 단어는 변수로 불가능하다.

JavaScript Keywords

JavaScript statements often start with a keyword to identify the JavaScript action to be performed.

Our Reserved Words Reference lists all JavaScript keywords.

Here is a list of some of the keywords you will learn about in this tutorial:

KeywordDescription

var	Declares a variable
let	Declares a block variable
const	Declares a block constant
if	Marks a block of statements to be executed on a condition
switch	Marks a block of statements to be executed in different cases
for	Marks a block of statements to be executed in a loop
function	Declares a function
return	Exits a function
try	Implements error handling to a block of statements

JavaScript keywords are reserved words. Reserved words cannot be used as names for variables.