This website requires JavaScript.
Explore
Help
Register
Sign In
greatbody
/
freeCodeCamp
mirror of
https://github.com/freeCodeCamp/freeCodeCamp.git
Watch
1
Star
0
Fork
You've already forked freeCodeCamp
0
Code
Issues
Projects
Releases
Wiki
Activity
773aae4fdc
freeCodeCamp
/
guide
/
chinese
/
certifications
/
javascript-algorithms-and-d...
/
basic-javascript
/
decrement-a-number-with-jav...
/
index.md
229 B
Raw
Blame
History
title
localeTitle
Decrement a Number with JavaScript
使用JavaScript减少数字
使用JavaScript减少数字
使用' - '运算符减少数字:
var a = 5; a--; // Now, 'a' is 4 --a; // Now, 'a' is 3