Вопрос: JS. Как открыть js скрипт в удобной для редактирования форме?

Лучший ответ: Множество ихjs deobfuscator online
Даже в хроме встроенный есть.

Худший ответ: Код в спойлере + в коментарии продолжение. Ибо слишком длинный. spoilerfunction r(e, t) {
    if (!i.canUseDOM || t && !("addEventListener" in document)) return !1;
    var n = "on" + e,
        r = n in document;
    if (!r) {
        var a = document.createElement("div");
        a.setAttribute(n, "return;"), r = "function" == typeof a[n]
    }
    return !r && o && "wheel" === e && (r = document.implementation.hasFeature("Events.wheel", "3.0")), r
}
var o, i = n(63);
i.canUseDOM && (o = document.implementation && document.implementation.hasFeature && document.implementation.hasFeature("", "") !== !0), e.exports = r
},
function(e, t) {
    "use strict";

    function n(e, t) {
        var n = null === e || e === !1,
            r = null === t || t === !1;
        if (n || r) return n === r;
        var o = typeof e,
            i = typeof t;
        return "string" === o || "number" === o ? "string" === i || "number" === i : "object" === i && e.type === t.type && e.key === t.key
    }
    e.exports = n
},
function(e, t, n) {
    "use strict";
    var r = (n(27), n(54)),
        o = (n(30), r);
    e.exports = o
},
function(e, t, n) {
    (function(t, r, o) {
            "use strict";

            function i(e) {
                var t = this;
                this.next = null, this.entry = null, this.finish = function() {
                    I(t, e)
                }
            }

            function a(e) {
                return M.from(e)
            }

            function s(e) {
                return M.isBuffer(e) || e instanceof F
            }

            function l() {}

            function u(e, t) {
                k = k || n(165), e = e || {}, this.objectMode = !!e.objectMode, t instanceof k && (this.objectMode = this.objectMode || !!e.writableObjectMode);
                var r = e.highWaterMark,
                    o = this.objectMode ? 16 : 16384;
                this.highWaterMark = r || 0 === r ? r : o, this.highWaterMark = Math.floor(this.highWaterMark), this.finalCalled = !1, this.needDrain = !1, this.ending = !1, this.ended = !1, this.finished = !1, this.destroyed = !1;
                var a = e.decodeStrings === !1;
                this.decodeStrings = !a, this.defaultEncoding = e.defaultEncoding || "utf8", this.length = 0, this.writing = !1, this.corked = 0, this.sync = !0, this.bufferProcessing = !1, this.onwrite = function(e) {
                    v(t, e)
                }, this.writecb = null, this.writelen = 0, this.bufferedRequest = null, this.lastBufferedRequest = null, this.pendingcb = 0, this.prefinished = !1, this.errorEmitted = !1, this.bufferedRequestCount = 0, this.corkedRequestsFree = new i(this)
            }

            function c(e) {
                return k = k || n(165), L.call(c, this) || this instanceof k ? (this._writableState = new u(e, this), this.writable = !0, e && ("function" == typeof e.write && (this._write = e.write), "function" == typeof e.writev && (this._writev = e.writev), "function" == typeof e.destroy && (this._destroy = e.destroy), "function" == typeof e.final && (this._final = e.final)), void N.call(this)) : new c(e)
            }

            function f(e, t) {
                var n = new Error("write after end");
                e.emit("error", n), T(t, n)
            }

            function d(e, t, n, r) {
                var o = !0,
                    i = !1;
                return null === n ? i = new TypeError("May not write null values to stream") : "string" == typeof n || void 0 === n || t.objectMode || (i = new TypeError("Invalid non-string/buffer chunk")), i && (e.emit("error", i), T(r, i), o = !1), o
            }

            function m(e, t, n) {
                return e.objectMode || e.decodeStrings === !1 || "string" != typeof t || (t = M.from(t, n)), t
            }

            function p(e, t, n, r, o, i) {
                if (!n) {
                    var a = m(t, r, o);
                    r !== a && (n = !0, o = "buffer", r = a)
                }
                var s = t.objectMode ? 1 : r.length;
                t.length += s;
                var l = t.length < t.highWaterMark;
                if (l || (t.needDrain = !0), t.writing || t.corked) {
                    var u = t.lastBufferedRequest;
                    t.lastBufferedRequest = {
                        chunk: r,
                        encoding: o,
                        isBuf: n,
                        callback: i,
                        next: null
                    }, u ? u.next = t.lastBufferedRequest : t.bufferedRequest = t.lastBufferedRequest, t.bufferedRequestCount += 1
                } else h(e, t, !1, s, r, o, i);
                return l
            }

            function h(e, t, n, r, o, i, a) {
                t.writelen = r, t.writecb = a, t.writing = !0, t.sync = !0, n ? e._writev(o, t.onwrite) : e._write(o, i, t.onwrite), t.sync = !1
            }

            function g(e, t, n, r, o) {
                --t.pendingcb, n ? (T(o, r), T(S, e, t), e._writableState.errorEmitted = !0, e.emit("error", r)) : (o(r), e._writableState.errorEmitted = !0, e.emit("error", r), S(e, t))
            }