July 2017
Beginner to intermediate
464 pages
10h 38m
Korean
Content preview from 러닝 자바스크립트: ES6로 제대로 입문하는 모던 자바스크립트 웹 개발
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336
러닝 자바스크립트
16.3.2
로그 함수
자연로그 함수는
Math
.
log
입니다. 상용로그를
log
, 자연로그를
ln
이라고 표현하는 언어도 있
으므로 자바스크립트의
log
는
자연로그라고 기억해야 합니다.
ES6
에서는 자주 쓰이는 상용로
그
Math
.
log10
함수가 생겼습니다.
표
16-2
함수
함수 설명 예제
Math
.
log
(
x
)
x
의 자연로그
Math
.
log
(
Math
.
E
) //
1
Math
.
log
(
17
.
5
) // ~
2
.
86
Math
.
log10
(
x
)
x
의 상용로그.
Math
.
log
(
x
)/
Math
.
log
(
10
)와 같
습니다.
Math
.
log10
(
10
) //
1
Math
.
log10
(
16
.
7
) // ~
1
.
22
Math
.
log2
(
x
)
x
의 밑수가
2
인 로그.
Math
.
log
(
x
)/
Math
.
log
(
2
)
와 같습니다.
Math
.
log2
(
2
) //
1
Math
.
log2
(
5
) // ~
2
.
32
Math
.
log1p
(
x
)
1
+
x
의 자연로그.
Math
.
log
(
1
+
x
)와 같습니다.
Math
.
log1p
(
Math
.
E
-
1
) //
1
Math
.
log1p
(
17
.
5
) // ~
2
.
92
16.3.3
기타 함수
[표
16
-
3
]은 절댓값, 부호, 배열의 최솟값/최댓값 등 숫자 관련 기타 함수입니다.
표
16-3
숫자 관련 기타 함수
함수 설명 예제
Math
.
abs
(
x
)
x
의 절댓값
Math
.
abs
(-
5
.
5
) // ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.