Custom EL Function to escape JS Special Characters

A custom EL function to escape javascript special characters present in a JSTL variable.

There may be situations in which we need to pass JSTL String Variable to Javascript functions. If there are javascript special characters such as single-quote, double-quote etc., present in the JSTL variable value, it would result in script error. It is always advisable to escape such special characters before passing to javascript function. This code-snippet focusses on writing a custom EL function to address this issue.

//This class requires Apache commons-lang JAR
//Tag Handler Class for custom EL Function

package util;   
  
import org.apache.commons.lang.StringEscapeUtils;   
  
public class JSEscUtil {   
  
    public static String escapeJSString(final String s) {   
        return StringEscapeUtils.escapeJavaScript(s);   
    }   
}