jkup

Array.prototype.copyWithin(target, start, end)

jkup

[1, 2, 3, 4, 5, 6, 7, 8].copyWithin(0, 3, 5);
// copies the values from index 3 to 5 ( 4, 5 )
// plays them in place on the array starting at 0 ( value 1 )
// returns [4, 5, 3, 4, 5, 6, 7, 8]

jkup

[1, 2, 3, 4, 5, 6, 7, 8].copyWithin(0, 3);
// copies the values from index 3 to the end of the array ( 4, 5, 6, 7, 8 )
// plays them in place on the array starting at 0 ( value 1 )
// returns [4, 5, 6, 7, 8, 6, 7, 8]

jkup

function foo() {
  console.log('bar');
}

jkup

def foo() {
  println('bar')
}

jkup

function foo() {
  var bar = 42;
  return bar;
}

jkup

def foo() {
  var bar = 42
}

jkup

object Foo {
  def bar() {
    println("no semicolons here!")

    val xs = List(1, 2, 3, 4)

    xs foreach println

    def sumOfSquares(x: Int, y: Int) {
      (x * x) + (y * y)

jkup

request.onload = function () {
  if (this.status >= 200 && this.status < 400) {
    var data = JSON.parse(this.response)

    data.photos.photo.map(function (photo) {
      var image = generateImageFromPhotoObject(photo)
      wrapper.appendChild(image)
    })
  } else {
    wrapper.innerHTML = 'We recieved an error from the Flickr API. Please try again later.'

jkup

function* createName() {
  console.log(yield)                                                                                                         
}

const name = createName()                                                                                                    
name.next('Jon')