This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Avoid using it and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
Set the runtime-wide object-principals-finder callback. This function is deprecated. In SpiderMonkey 1.8.1 or later, use
JSObjectPrincipalsFinder JS_SetObjectPrincipalsFinder(JSRuntime *rt, JSObjectPrincipalsFinder fop);
| || ||The runtime to configure.|
| || ||The new object-principals-finder callback.|
JS_SetObjectPrincipalsFinder returns the previous object-principals-finder callback.