Honestly, I am very doubtful about Kotlin's JS support to be a "primary feature". They have certainly advertised it as such since day 1, but the facts are that

Honestly, I am very doubtful about Kotlin's JS support to be a "primary feature". They have certainly advertised it as such since day 1, but the facts are that they have not treated JS as such in practice. Here are some of those facts: * They intend to release 1.0 without finalizing JS support [1] * The documentation for Kotlin on JS is virtually non existent * The primitive data types don't behave the same on both platforms [1] http://blog.jetbrains.com/kotlin/2015/10/kotlin-1-0-beta-candidate-is-out/#comment-40153 http://blog.jetbrains.com/kotlin/2015/10/kotlin-1-0-beta-can...