Answers for "console.log("%o", object )"

console.log object object

const language = this.converstaionLanguage; // {"lang":"en"} <- this is JSON

console.log(language); // [object Object]
console.log(JSON.stringify(language) // {"lang":"en"}

console.log object functions js

console.log(Object.getOwnPropertyNames(Math).filter(function (p) {
    return typeof Math[p] === 'function';
}));
//-> ["random", "abs", "acos", "asin", "atan", "ceil", "cos", "exp", ...etc ]