`toInsert` is never defined

[jacksonkr]

line 182 on sort.html

In regards to insertionSort
toInsert is never defined, where is this value coming from?

[jacksonkr]

Looks like it should be el

[jacksonkr]

Leaving this open so you can apply the fix (tested on jsfiddle)

http://jsfiddle.net/kcfqx6hu/