how to turn a variable into a string javascript code example

Example 1: jquery cast to string

value.toString()
String(value)
value + ""

Example 2: js variable to string

`String text ${expression}`

Example 3: 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())");  
        }
    });