10
fromCharCode.length = 1
ABCD
concat.length = 1
javascript is great!
slice.length = 2
 world
orl
substring.length = 2
java
script
script
toLowerCase.length = 0
java
java
toUpperCase.length = 0
JAVASCRIPT
JAVASCRIPT
localeCompare.length = 1
-1
0
trim.length = 0
java
java
2
3
true
true
false
false
h
l
undefined
true
false
true
false