How to encode javascript function -


how can encode parameters in javascript?

this function , parameter called newvalue

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

this how tried adeneos suggestion

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

but not work.

this getting:

tester?restid=38619

this want want 

 tester%3frestid%3d38619%21  

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

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