표현식

표현식 유형	조건	예	지원?
정규식 리터럴	유효한 정규식 특수 문자를 포함하는 문자열 리터럴	"^\d\.$"	아니요
함수	function functionName(parameters) { functionBody}	var x = function calc() { return 10; }	아니요
Delete	delete expression	delete obj.property;	아니요
Void	void expression	void (2 == '2');	아니요
Typeof	typeof expression	typeof 42;	아니요
Member index	expression [ expressions ]	var fruits = ["apple"]; fruits[0];	예
Member dot	expression . identifier	out.value	예
Arguments	expression (arguments)	new Date('1994-10-11')	예
Post increment	expression++	var x=10; x++;	예
Post decrement	expression--	var x=10; x--;	예
Pre increment	++expression	var x=10; ++x;	예
Pre decrement	--expression	var x=10; --x;	예
Unary plus / Unary minus	+expression / -expression	+x / -x;	예
Bit not	~ expression	const a = 5; console.log( ~a );	예
Logical not	! expression	!(a > 0 || b > 0)	예
Multiplicative	expression ('*' | '/' | '%') expression	(x + y) * (a / b)	예
Additive	expression ('+' | '-') expression	(a + b) - (a - (a + b))	예
Bit shift	expression ('<<' | '>>' | '>>>') expression	(a >> b) >>> c	예
Relative	expression ('<' | '>' | '<=' | '>=') expression	if (a > b) { ... }	예
In	expression in expression	fruits[0] in otherFruits;	예
Equality	expression ('==' | '!=' | '===' | '!===') expression	if (a == b) { ... }	예
Bit and / xor / or	expression ('&' | '^' | '|') expression	a & b / a ^ b / a | b	예
Logical and / or	expression ('&&' | '||') expression	if (a && (b ||c)) { ...}	예
3진	expression ? expression : expression	a > b ? obj.prop : 0	예
대입	expression = expression	out.value = "string";	예
Assignment operator	expression ('*=' | '/=' | '+=' | '-=' | '%=') expression	a *= 10;	예
Assignment bitwise operator	expression ('<<=' | '>>=' | '>>>=' | '&=' | '^=' | '|=') expression	a <<= 10;	예
식별자	identifierSequence 여기서 identifierSequence는 유효한 문자의 시퀀스임	fruits=[10, 20, 30];	예
Null literal	null	x = null;	예
Boolean literal	true | false	x = true;	예
String literal	'string' / "string"	a = 'hello', b = "world";	예
Decimal literal	integer [.] digits [exponent]	111.11 e+12	예
Hex literal	0 (x | X)[0-9a-fA-F]	0x123ABC	예
Octal literal	O [0-7]	"O51"	예
Array literal	[ expression, ... ]	v = [a, b, c];	예
Object literal	{property: value, ...}	out = {value: 1, flag: false};	예
Parenthesized	( expressions )	x + (x + y)	예