Function joinClasses

external/.scrollLibs.js:624–632

(a, b)

    }
  }
  function joinClasses(a, b) {
    var as = a.split(" ")
    for (var i = 0; i < as.length; i++) {
      if (as[i] && !classTest(as[i]).test(b)) {
        b += " " + as[i]
      }
    }
    return b
  }

  var selectInput = function (node) {
    node.select()