js 获取上一页所带的百度关键词

<div class="fswt">
      <textarea type="text" id="fswt_nr" class="fl" placeholder="请输入您的问题" name="text"></textarea>
      <img id="dyfs" class="fl" src="./static/images/send.gif" />
    
    </div>
      
      
      
    <script language="javascript">
    
    
        var url = window.location.href;//当前页面
        var shang=window.document.referrer; //来源上一页    
        var biaos=encodeURIComponent("自设入口");//标识
        
        if(shang.indexOf("word")!=-1){
            
            var k = window.document.referrer.split('word=')[1].split('&')[0];
            /*将关键词赋值给input*/ 
            document.getElementById("fswt_nr").value=decodeURIComponent(k);
            
                    
            }else{
            
                }
                
           /*进入页面后5秒跳转快商通*/    
            /*
            setTimeout("zjtiao()",5000);
                
            function zjtiao(){    
                var dyfs=document.getElementById("fswt_nr").value;
                KS.openChatWin({cv:dyfs,sText:'自设入口'});            
            }
            */
    
      setTimeout("dh1()",2000);
        function dh1(){
            document.getElementById("hd1").style.visibility="visible";
            setTimeout("dh2()",3000);
        }
        function dh2(){
            document.getElementById("hd2").style.visibility="visible";
        }
    
        var index=0;
        var str=document.getElementById("fswt_nr").placeholder;
        function type(){
        if(index==str.length+1){
            index=0;
        }
        document.getElementById("fswt_nr").placeholder = str.substring(0,index++);
        }
        setInterval(type, 500);
        
        
        document.getElementById("dyfs").onclick=function(){
            var dyfs=document.getElementById("fswt_nr").value;
              KS.openChatWin({cv:dyfs,sText:'自设入口'});
            }
    </script>

Last modification：September 24, 2022