引数テスト
function funcA(a, b) { Services.console.logStringMessage([(typeof a), (typeof b)]); } var h = {}; funcA(1, 2); //=> number,number funcA(3); //=> number,undefined funcA(4, h['x']); //=> number,undefined funcA(h['x'], 5); //=> undefined,number
function funcA(a, b) { Services.console.logStringMessage([(typeof a), (typeof b)]); } var h = {}; funcA(1, 2); //=> number,number funcA(3); //=> number,undefined funcA(4, h['x']); //=> number,undefined funcA(h['x'], 5); //=> undefined,number