anchor.diff:          h2 ECMAScript 6
           em (Coming soon)
   
  -
         section
           h2(class='code-aligned') Powerful syntax
           ul
  +          li(class='codeAndLabel')
  +            label Function shorthand
  +            pre
  +              code.language-javascript.
  +                myFavFunction((x, y) => x * y);
  +
  +          li(class='codeAndLabel')
  +            label Default Arguments
  +            pre
  +              code.language-javascript.
  +                function (x = "default value") { }
  +
  +          li(class='codeAndLabel')
  +            label Varargs
  +            pre
  +              code.language-javascript.
  +                function (a, b, ...others) { }
  +
             li(class='codeAndLabel')
               label Destructuring
               pre
                 code.language-javascript.
                   var [a, b] = [b, a];
                   var [x, y] = { x: 1, y: 2, other: 3 };
  -
  -          li(class='codeAndLabel')
  -            label Function shorthand
  -            pre
  -              code.language-javascript.
  -                myFavFunction((x, y) => x * y);
  -
  -          li(class='codeAndLabel')
  -            label Default Arguments
  -            pre
  -              code.language-javascript.
  -                function (x = "default value") { }
  -
  -          li(class='codeAndLabel')
  -            label Varargs
  -            pre
  -              code.language-javascript.
  -                function (a, b, ...others) { }
   
         section
           h2(class='code-aligned') Structure
  
positive.code: 
        section
          div(class='language')
            h2 Modern language
          div(id='target')
            h2 Compilation Target
          div(id='ecosystem')
            h2 Expanding Ecosystem
  
  
negative.code:             span Phype
  
        section
          h2 JavaScript is pretty quick now
          br
          h4 Chrome's JS engine (V8) is approximately:
          br
  