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shaqib ahmadshaqib ahmad 

DevTools failed to load SourceMap: Could not load content for https://c.ap16.visual.force.com/javascript/1591711493000/sfdc/source/VFState.js.map:

<apex:page id="page" >
    <apex:form id="fm">
        <script>
          function show(){
              var Name= document.getElementById("page:fm:pb:pbs:pbsi1:name").value;
              document.getElementById('page:fm:pb:pbs:pbsi2:myName').value=Name;
              document.getElementById('page:fm:pb:pbs:pbsi3:res').innerHTML='<b><i>'+Name+'<i><b>';
             }
              </script>
        
        <apex:pageBlock title="Employee" id="pb" >
            <apex:pageBlockSection id="pbs" columns="1">
                
                <apex:pageBlockSectionItem id="pbsi1">
                    <apex:outputLabel value="Enter Name"/>
                    <apex:inputText id="Name" onchange="Show()" />
                </apex:pageBlockSectionItem>
                
                <apex:pageBlockSectionItem id="pbsi2">
                    <apex:outputLabel value="Your name"/>
                    <apex:inputText id="myName" />
                </apex:pageBlockSectionItem>
                
                <apex:pageBlockSectionItem id="pbsi3">
                    <apex:outputLabel value="Name"/>
                    <apex:outputText id="res"/>
                </apex:pageBlockSectionItem>
                
            
                </apex:pageBlockSection>
        </apex:pageBlock>
    </apex:form>
</apex:page>
Best Answer chosen by shaqib ahmad
ShirishaShirisha (Salesforce Developers) 
Hi Shaqib,

Greetings!

This error occurs whenever you are trying to load the data which is not available on the public server.So,I would suggest you to check the documents location which you are referring here.

Kindly let me know if it helps you and close your query by marking it as best answer so that it can help others in the future.

Warm Regards,
Shirisha Pathuri

All Answers

ShirishaShirisha (Salesforce Developers) 
Hi Shaqib,

Greetings!

This error occurs whenever you are trying to load the data which is not available on the public server.So,I would suggest you to check the documents location which you are referring here.

Kindly let me know if it helps you and close your query by marking it as best answer so that it can help others in the future.

Warm Regards,
Shirisha Pathuri
This was selected as the best answer
shaqib ahmadshaqib ahmad
Yes checked still getting the same error when I am inspecting vf code on UI.