function showdiv(obj){ var x = obj.parentNode;//摘要 var y = x.nextSibling; //正文 y.style.display="block"; x.style.display="none";? }請(qǐng)問為什么點(diǎn)擊全文的時(shí)候會(huì)有錯(cuò)誤?TypeError:y.style is undefined
實(shí)現(xiàn)展開收起效果
lacy_0001
2016-02-26 16:28:52
