Migrate $.is calls
Migrate $.is calls

benjaminRomano/tree-view,tbryant/tree-view,pombredanne/tree-view-1,atom/tree-view,rajendrant/tree-view-remote,jarig/tree-view,cgrabowski/webgl-studio-tree-view,samu/tree-view,learn-co/learn-ide-tree,Galactix/tree-view,thgaskell/tree-view,tomekwi/tree-view,laituan245/tree-view,jasonhinkle/tree-view,matthewbauer/tree-view,ayumi/tree-view