no-useless-parameters.rst (800B)
1 no-useless-parameters 2 ===================== 3 4 Reject common XPCOM methods called with useless optional parameters (eg. 5 ``Services.io.newURI(url, null, null)``, or non-existent parameters (eg. 6 ``Services.obs.removeObserver(name, observer, false)``). 7 8 This option can be autofixed (``--fix``). 9 10 Examples of incorrect code for this rule: 11 ----------------------------------------- 12 13 .. code-block:: js 14 15 elt.addEventListener('click', handler, false); 16 Services.io.newURI('http://example.com', null, null); 17 Services.obs.notifyObservers(obj, 'topic', null); 18 19 Examples of correct code for this rule: 20 --------------------------------------- 21 22 .. code-block:: js 23 24 elt.addEventListener('click', handler); 25 Services.io.newURI('http://example.com'); 26 Services.obs.notifyObservers(obj, 'topic');