Replace All in Javascript

By Using regular expression with javascript replace function we can implement replace all functionality.here is the sample code block for javascript replace all functionlity.

 <Script Language="javascript">   
     var str = "Javascript replace test.";   
     var rs = str.replace(/is/g,"");   
     document.write(st);    
  </Script>   

here /is key for case insensitive search and /g recursive search