Is there a way to conceal JavaScript code?

I am trying to keep my AJAX code hidden from users who view the source of my PHP page. How can I achieve this? Below is the AJAX code that I currently have:

<script type="text/javascript">
function Ajax(){
var xmlHttp;
    try{    
        xmlHttp=new XMLHttpRequest();
    }
    catch (e){
        try{
            xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e){
            try{
                xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e){
                alert("Oops!");
                return false;
            }
        }
    }

xmlHttp.onreadystatechange=function(){
    if(xmlHttp.readyState==4){
        document.getElementById('ReloadThis').innerHTML=xmlHttp.responseText;
        setTimeout('Ajax()',2000);
    }
}
xmlHttp.open("GET","reload.php",true);
xmlHttp.send(null);
}

window.onload=function(){
    setTimeout('Ajax()',2000);
}
</script>

Could you provide me with a solution on how I can hide this code?

Answer №1

It is impossible to completely conceal the code. While moving it to a separate js file may offer some protection, users will still have access to view it. One potential solution is to obfuscate the code for added security. For more information on obfuscating JavaScript, you can refer to this resource.

Answer №2

It's not possible to truly conceal it (obfuscation doesn't completely hide code - the URL needs to be readable at some stage, even if it's dynamically generated). The important question isn't about whether one can hide the code, but rather: What is the purpose of doing so? Concealment alone isn't an effective security measure.

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