JavaScript console.log() Examples

console.log() is a proper JavaScript method to print data into the developer’s console.

//Syntax
console.log(x);

The parameter X can be of any data type: a string, an inter, or an object. If the x doesn’t exist, it prints out the error: Uncaught ReferenceError: x is not defined.

let name = 'John';
let age = 30;
console.log(`My name is ${name} and I am ${age} years old.`);

let name = 'John';
let age = 30;
console.log(name, age);

let numbers = [1, 2, 3, 4, 5];
console.log(numbers);

let person = { name: 'John', age: 30 };
console.log(person);

var str = "TL Dev Tech"; 
console.log(str); 

var brands = ['Honda', 'Huyndai', 'Toyota', 'BMW'];
console.log(brands); 

console.log(5+10);
console.log('He is ' + 15 + ' years old');