const speed = 'quick'; `The ${speed} brown fox jumps over the lazy dog.`
let name = 'Harry';
let occupation = 'wizard';
console.log(`Hi! My name is ${name}. I'm a ${occupation}.`);
let x, { x: y = 1 } = { x }; y;
(function() {
let f = this ? class g { } : class h { };
return [ typeof f, typeof h ];
})();
(function() {
if (false) {
let f = { g() => 1 };
}
return typeof f;
})()
const PI = 3.14;
console.log(PI) // Печатает 3.14
let titleElements = document.querySelectorAll('.article .title'); let titles = Array.from(titleElements).map( t => t.textContent ); console.log(titles);
let a = 12, b = 3;
[a, b] = [b, a];
let point = [1,3], segment = [point,[5,5]], triangle = [...segment,[1,8]];