Function a

static/javascripts/application.js:48–50

(t, e)

                    return -1
                },
                a = function(t, e) {
                    this.name = t, this.code = DOMException[t], this.message = e
                },
                c = function(t, e) {
                    if ("" === e) throw new a("SYNTAX_ERR", "An invalid or illegal string was specified");
                    if (/\s/.test(e)) throw new a("INVALID_CHARACTER_ERR", "String contains an invalid character");