This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. 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.