3

isArray.length = 1

false

true

join.length = 1

javascript<->is<->great

every.length = 1

4,56,5 every even? = false

4,56,688 every even? = true

some.length = 1

4,56,5 some even? = true

3,5,17 some even? = false

forEach.length = 1

java,javascript,jython,jruby[0] is java

java,javascript,jython,jruby[1] is javascript

java,javascript,jython,jruby[2] is jython

java,javascript,jython,jruby[3] is jruby

JAVA,JAVASCRIPT,JYTHON,JRUBY

shifted is java, remaining is javascript,jython,jruby, length is 3

java,javascript

115

120

c++ java javascript objective c

hello world from javascript

indexOf.length = 1

indexOf('java') = 0

indexOf('javascript') = 1

indexOf('javascript', 3) = -1

indexOf('c++') = -1

[].indexOf('any') = -1

lastIndexOf.length = 1

lastIndexOf('java') = 4

lastIndexOf('jython') = 5

lastIndexOf('c') = 6

lastIndexOf('c++') = -1

[].lastIndexOf('any') = -1

concat.length = 1

foo,bar,x,y,34,sss,3,4,2

Array.length = 1

NaN,NaN,NaN

3

1

number

1

hello,world

,,,,

undefined

[object java.lang.Object]

33