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[网页设计]Document方法的使用

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html body{font-size:14px;   line-height:30px;   }input{margin:1px;   width:90px;   font-size:12px;   padding:0;   }#node{  width:100px;  font-size:24px;  font-weight:bold;  float: left;  }</style><script type="text/javascript">function changeLink(){  document.getElementById("node").innerHTML="搜狐";}function all_input(){ var aInput=document.getElementsByTagName("input");  var sStr=""; for(var i=0;i<aInput.length;i++){  sStr+=aInput[i].value+"<br />";  }  document.getElementById("s").innerHTML=sStr;}  function s_input(){ var aInput=document.getElementsByName("season"); var sStr=""; for(var i=0;i<aInput.length;i++){  sStr+=aInput[i].value+"<br />";  }  document.getElementById("s").innerHTML=sStr;  }</script></head><body><div id="node">新浪</div><input name="b1" type="button" value="改变层内容" onclick="changeLink();" /><br /><br /><input name="season" type="text" value="春" /><input name="season" type="text" value="夏" /><input name="season" type="text" value="秋" /><input name="season" type="text" value="冬" /><br /><input name="b2" type="button" value="显示input内容" onclick="all_input()" /><input name="b3" type="button" value="显示season内容" onclick="s_input()" /><p id="s"></p></body></html>