IE8刷新input值清空

src/js/staticSearch.js

@@ -165,8 +165,11 @@ $(".staticSearchT").on('click','#clearKnowledge',function() {
     }
 })
 if(is8Ie){
-    $(".ipt input").attr("value","")
-    $(".ipt input").val("")
+    setTimeout(function(){
+        $(".ipt input").attr("value","")
+        $(".ipt input").val("")
+    },200)
+ 
     $(".placeholder").css("display","inline-block")
     $(".ipt input").on("focus", function(){
         $(".placeholder").css("display","none")