See: https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/windbg-scripting-preview

The script can be loaded into WinDbg with:
.scriptload full_path\windbg.js

Help:
!help

Currently provided functionality:
!jlh("local_handle_var_name")
    prints object held by the handle, e.g. !jlh("key") or !jlh("this->receiver_")
!job(address_or_taggedint)
    prints object at the address, e.g. !job(0x235cb869f9)
!jobs(start_address, count)
    prints 'count' objects from a continuous range of Object pointers, e.g. !jobs(0x5f7270, 42)
!jst() or !jst
    prints javascript stack (output goes into the console)
!jsbp() or !jsbp
    sets bp in v8::internal::Execution::Call (begin user's script)

To run any function from this script (live or postmortem):
dx @$scriptContents.function_name(args)
    e.g. dx @$scriptContents.pointer_size() or e.g. dx @$scriptContents.module_name('chrome_child')

Change-Id: I958ff0544582c1ea0b12fd3349d460d28ac7ed56
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1506450
Commit-Queue: Irina Yatsenko <irinayat@microsoft.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60175}