no-useless-parameters¶
Reject common XPCOM methods called with useless optional parameters (eg.
Services.io.newURI(url, null, null)
, or non-existent parameters (eg.
Services.obs.removeObserver(name, observer, false)
).
This option can be autofixed (--fix
).
Examples of incorrect code for this rule:¶
elt.addEventListener('click', handler, false);
Services.io.newURI('http://example.com', null, null);
Services.obs.notifyObservers(obj, 'topic', null);
Examples of correct code for this rule:¶
elt.addEventListener('click', handler);
Services.io.newURI('http://example.com');
Services.obs.notifyObservers(obj, 'topic');