Re: Setting property attributes after calling JS_SetProperty()

Hi!

You can instead use JS_DefineProperty to directly set the property
attributes while defining a new property.

Example:
if (!JS_DefineProperty(cx, object, "name", value, JSPROP_PERMANENT)) {
return false;
}

Cheers,
Tom

On Wed, Jul 1, 2020 at 6:00 PM <[email protected]> wrote:
>
> Hi,
>
>
> I'm currently trying to upgrade a program from using JS 1.8.5 to JS 76. In doing this, I've come across a function in which we try to:
>
> - set a property that doesn't initially exist on an object, using JS_SetProperty(),
>
> - then set that property's attributes to be JSPROP_PERMANENT, using JS_SetPropertyAttributes().
>
> However, in JS 76, JS_SetPropertyAttributes() doesn't appear to exist. Instead, I've had to:
>
> - get the property descriptor, using JS_GetPropertyDescriptor(),
>
> - then set the attributes using .setAttributes().
>
> I'm struggling to find any documentation on the matter so I'm not sure if this is even correct. Is there a new/alternative function to replace JS_SetPropertyAttributes() with?
>
>
> Many thanks,
> Harry
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