iceener

// Uppercase first letter of a string
function ucFirst(string) {
	return string.charAt(0).toUppercase() + string.slice(1);
}

iceener

// Capitalize all words of a string
function capitalize(string) {
	return string.replace(/\b[a-z]/g, (char) => char.toUpperCase());
}

capitalize('overment rocks!');

iceener

// Array to CSV data
const csvContent = result.map(e => e.join(",")).join("\n");

copy(csvContent)

iceener

// Destructuring
const args = [1, 2, 3, 4];
const [a, b, c, d] = args;
console.log(a, b, c, d);

const coords = { x: 1, y: 10 };
const { x: horizontal, y } = coords;
horizontal; /*?*/
y; /*?*/

iceener

class Avenger {
  constructor(name) {
    this.name = name;
  }
}

const hero = new Avenger("Steve Rogers");

hero.name; /*?*/