JSFiddle - React, Tailwind, and code Playground

JavaScript

var obj = {
    
      planet : "World!",    // ok, let's use this planet!
      text : {
           hi: "Hello ",
           pl: this.planet  // WRONG scope... :(
      },
      logTitle : function(){                               
         console.log( this.text.hi +''+ this.planet ); // here it works !
      }
      
    };
    

    obj.logTitle(); // "Hello World!"
    console.log( obj.text.hi +''+ obj.text.pl); // "Hello undefined"