convert variable to string node js code example

Example 1: javascript convert number to string

var myNumber=120;
var myString = myNumber.toString(); //converts number to string "120"

Example 2: How to convert Javascript return value to String in Android

generate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {    
            webView.loadUrl("javascript:alert(fing())");  
        }
    });