Add links to the singly-referenced ES items.
Slightly clearer instructions in how to contribute.
Walkthrough for Array.prototype.fill which closes #1.
Print null and undefined for those values.
Walkthrough for Array.prototype.find which closes #2.
Create walkthrough for Array.prototype.findIndex which closes #3.
Create walkthrough for Array.prototype.keys which closes #4
Note the key binding for clearing the console.
Allow the force traceur checkbox to work as expected.
Fix a bug in the title of the walkthrough.
Disable native evaluation in the example for non-native implementations.
Create a walkthrough for Array.prototype.values which closes #5
Disable the use of traceur for features it does not support.
Fix all the permutations of browser and traceur support.
Have the console write 'not a number' for NaN values.
Add the walkthrough for Math.acosh which closes #6.
Improve the walkthrough. Slightly.
Create the walkthrough for Math.asinh which closes #7.
Better name for the feature.
Have the evaluator print out proper infinity statements.