狠狠撸

javascript 鞛愲皵鞀ろ伂毽巾姼 prototype function operator closure scope this browser support oop whatwg rich media semantic 鞗轨为攴检劚 content model functional programming inherit inheritance html5 form 2.0 鞗鬼憸欷赌 w3c lexical environment declaration binding instantiation binding execution contexts data type done then promise deferred test when namespace debugging 韥措�滌牳 臧濎泊歆赌頄ロ攧搿滉犯霝橂皪 臧濎泊 霃欖爜雿办澊韯绊俭鞛� 鞐办偘鞛� dynamic parameters dynamic typing array 霃欖爜韺岆澕氙疙劙 氚办棿 object condigional comment rendering mode css cascading vendor prefix cascading order dom selector js