<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>document.getElementById</title></head><body><p id="con">JavaScript</p><script type="text/javascript">? var mychar= ? document.getElementById("con"); ? ? ? ?;? document.write("結(jié)果:"+con); //輸出獲取的P標(biāo)簽。?</script></body></html>運(yùn)行結(jié)果:JavaScript結(jié)果:[object HTMLParagraphElement]為什么運(yùn)行結(jié)果不是JavaScript,?[object HTMLParagraphElement]是什么意思 ?
為什么運(yùn)行結(jié)果不是JavaScript, [object HTMLParagraphElement]是什么意思
慕標(biāo)1980328
2016-04-29 09:57:23