批量禁止input框,disabled

<!DOCTYPE html>
<html>
   <head>
       <meta charset="UTF-8">
       <title></title>
   </head>
   <body>
       <input type="text" />
       <input type="text" />
       <input type="button" id="btn" value="搜索" />
       <script type="text/javascript">
           var btn = document.getElementById('btn');
           var inps = document.getElementsByTagName('input');
           btn.onclick = function(){
               for(var i=0;i<inps.length;i++){
                   inp = inps[i];
                   if(inp.type === 'text'){ //全等于>>>>很重要
                       inp.disabled = true;
                   }

               }
           }
       </script>
   </body>
</html>

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