Thanks for the idea! I'll try it.

I believe I fixed it. Please re-raise if the issue still persists.

• Node 12 should be enabled (Refer this and this for more info)

• JS nested it blocks should be removed

Firstly, please use the spoiler flag when you post code in the discourse, even if your solution is wrong.

As for your code: are you supposed to return -1 if a is less than b or is there another condition that needs to be checked first? If I run your code with the following [a,b] values, it will always return -1, regardless of any margin:
[1,2], [1,100], [5,6], [5,7], [5,8]. Can you see why?

note that Java does not support default arguments, so please be careful when doing or approving such translations ~~

Java signature mismatch:

./src/test/java/SolutionTest.java:12: error: method closeCompare in class Solution cannot be applied to given types;
        assertEquals(-1, Solution.closeCompare(4, 5));

defined as:

  public static int closeCompare(double a, double b, double margin) {

but called as:

assertEquals(-1, Solution.closeCompare(4, 5));

I had ' Test for last: expected 'ilast' to equal 'Invalid word'' error, but there is 'The first letter should not be lowercase, for example road.' in the rules

i did split is using list() to an array and when i print array[0] its correct

am getting an error, the list index out of range but am able to print it so it exist.
compiler error ?

Indeed, your option is more appropriate in the description.

Fixed.

Great Kata! I enjoyed it.
Only a minor suggestion - Rule #3 is worded strangely compared to the other two rules and could be interpreted incorrectly.

Current: "The first letter is not capital, for example road."
Suggestion: "The first letter should not be lowercase, for example road."

:)