Java script errors om MX19 beta 2.1

just wondering if anyone had heard of problems with either Firefox using java or just java script in general.
Firefox will just close and the icons on screen go black and white.letters and numbers are just blank little boxes.<i have posted this with <mx forums,<bugs/help

inxi -F
System: Host: mx Kernel: 4.19.0-6-amd64 x86_64 bits: 64 Desktop: Xfce 4.14.1
Distro: MX-19beta-2.1_x64 patito feo September 8 2019
Machine: Type: Desktop Mobo: ASUSTeK model: K30BF_M32BF_A_F_K31BF_6 v: Rev X.0x
serial: UEFI [Legacy]: American Megatrends v: 0703 date: 02/15/2017
CPU: Topology: Quad Core model: AMD A10-7800 Radeon R7 12 Compute Cores 4C+8G bits: 64
type: MCP L2 cache: 2048 KiB
Speed: 1884 MHz min/max: 1400/3500 MHz Core speeds (MHz): 1: 2042 2: 2304 3: 2019
4: 2050
Graphics: Device-1: AMD Kaveri [Radeon R7 Graphics] driver: radeon v: kernel
Display: x11 server: X.Org 1.20.4 driver: radeon resolution: 1920x1080~60Hz
OpenGL: renderer: AMD KAVERI (DRM 2.50.0 4.19.0-6-amd64 LLVM 7.0.1)
v: 4.5 Mesa 18.3.6
Audio: Device-1: AMD Kaveri HDMI/DP Audio driver: snd_hda_intel
Device-2: AMD FCH Azalia driver: snd_hda_intel
Sound Server: ALSA v: k4.19.0-6-amd64
Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet driver: r8169
IF: eth0 state: up speed: 100 Mbps duplex: full mac: 88:d7:f6:51:eb:db
Device-2: Realtek RTL8821AE 802.11ac PCIe Wireless Network Adapter driver: rtl8821ae
IF: wlan0 state: down mac: ae:e6:49:2c:d4:48
Drives: Local Storage: total: 2.73 TiB used: 318.62 GiB (11.4%)
ID-1: /dev/sda type: USB vendor: Seagate model: Expansion+ size: 931.51 GiB
ID-2: /dev/sdb vendor: Western Digital model: WD10EARX-00N0YB0 size: 931.51 GiB
ID-3: /dev/sdc type: USB vendor: Toshiba model: DT01ACA100 size: 931.51 GiB
Partition: ID-1: / size: 464.78 GiB used: 272.42 GiB (58.6%) fs: ext4 dev: /dev/sda2
Sensors: System Temperatures: cpu: 13.4 C mobo: N/A gpu: radeon temp: 6 C
Fan Speeds (RPM): cpu: 0
Info: Processes: 235 Uptime: 41m Memory: 6.82 GiB used: 2.25 GiB (33.0%) Shell: bash
inxi: 3.0.33

I would try to start Firefox from the command line to see if there are any errors or how it works with all extensions and themes disabled:

firefox --safe-mode