New Post: Can't Edit sharepoint page after adding JS thru CEWP

<script type="text/javascript" src="/_layouts/jquery/jquery-1.11.0.min.js"></script>
<script type="text/javascript" src="/_layouts/jquery/jquery-ui-1.10.4/jquery-ui.min.js"></script>
<script type="text/javascript" src="/_layouts/jquery/jquery.SPServices-2014.01.min.js"></script>
<link rel="stylesheet" type="text/css" href="/_layouts/jquery/jquery-ui-themes-1.10.4/themes/smoothness/jquery-ui.css"/>

<div class="ui-widget">
    <label for="EmployeeCode">Job Code</label>
    <input type="text" size="100" id="EmployeeCode">    
    <input type="button" value="OK" id="btnSearch" name="btnSearch" />  
</div>

<script type="text/javascript">

$(document).ready(function(){
    ExecuteOrDelayUntilScriptLoaded(PostLoad,'SP.js');
});
 
function PostLoad() {
    // Hide Text Filter Control 
    var controlID = "ctl00_m_g_3c02ecf9_d389_42bf_ba2a_801aa56cf4af_SPTextSlicerValueTextControl";  
    document.getElementById("WebPartWPQ3").style.display='none';
    $('#btnSearch').click(moveValue);   
    var externalParties = [];
    window.onload = function() {
    window.setTimeout(readyCall, 1000);
    }
        function readyCall(){
          var externalParties = [];
          $().SPServices({
            operation: "GetListItems",
            listName: "Employees",
            CAMLViewFields: "<ViewFields> <FieldRef Name='EmployeeCode' /> <FieldRef Name='JobTitle' /> </ViewFields>",
            async: false,
            completefunc: function (xData, Status) {
              $(xData.responseXML).SPFilterNode("z:row").each(function() {
                externalParties.push($(this).attr("ows_EmployeeCode") + "  --  " +  $(this).attr("ows_JobTitle"));
              });
            }
          });

            $("#EmployeeCode").autocomplete({
                            source: externalParties,
                            minLength: 3
              });
        }   
 }  
 </script>
 <script type="text/JavaScript">
 function moveValue() {
   var EmployeeCodeField = document.getElementById("EmployeeCode");   
   var otherControl = document.getElementById("ctl00_m_g_3c02ecf9_d389_42bf_ba2a_801aa56cf4af_SPTextSlicerValueTextControl");
   //Making sure both fields are not undefined before accessing their properties.
   if(EmployeeCodeField && otherControl){
        var s = EmployeeCodeField.value;        
        s = s.substring(0, s.indexOf('--'));    
      otherControl.value = s.trim(); 
        __doPostBack('<%= btnSearch.UniqueID %>','')
   }else{
   }
}
</script>