How to encode javascript function

Question

How can i encode my parameters in javascript?

This my function and my parameter called newvalue

<script>
function selectChanged(newvalue) 
{
location.href="tester?restid=" + newvalue;
}
</script>

This is how i tried with adeneos suggestion

   window.location.href = "tester?restid=" + encodeURIComponent(newvalue);

but this does not work.

This is what i am getting:

tester?restid=38619

This is want i want

 tester%3Frestid%3D38619%21 

Answer 1

function selectChanged(newvalue)  {
    window.location.href = encodeURIComponent("tester?restid=" + newvalue);
}

Answer 2

尝试这个：

location.href="tester?restid=" +encodeURIComponent( newvalue );