in src/main/resources/js/bootstrap-2.3.2.js [2061:2087]
, keyup: function (e) {
switch(e.keyCode) {
case 40: // down arrow
case 38: // up arrow
case 16: // shift
case 17: // ctrl
case 18: // alt
break
case 9: // tab
case 13: // enter
if (!this.shown) return
this.select()
break
case 27: // escape
if (!this.shown) return
this.hide()
break
default:
this.lookup()
}
e.stopPropagation()
e.preventDefault()
}