Replace JScript by loading JScript9Legacy in place of JScript.

Supported on: At least Internet Explorer 11.0

Registry

HKLM Software\Policies\Microsoft\Internet Explorer\Main

HKCU Software\Policies\Microsoft\Internet Explorer\Main

Value name: JScriptReplacement

Enabled: JScriptReplacement = 1

Disabled: JScriptReplacement = 0

Description

This policy setting specifies whether JScript or JScript9Legacy is loaded. If you enable this policy setting or not configured, JScript9Legacy will be loaded in situations where JScript is instantiated. If you disable this policy, then JScript will be utilized.