Introduce a lst() function to reduce arr[arr.length-1] noise
Introduce a lst() function to reduce arr[arr.length-1] noise

filonb/CodeMirror2,femhub/CodeMirror2,leoshine/CodeMirror,femhub/CodeMirror2,femhub/CodeMirror2,leoshine/CodeMirror,filonb/CodeMirror2,filonb/CodeMirror2