f string javascript

//

const firstName = 'john';
const lastName = 'smith';

const output = `name: ${firstName}, surname: ${lastName}`;
// name: john, surname: smith

`string text ${expression} string text`

`string text`

`string text line 1
 string text line 2`

`string text ${expression} string text`

tag `string text ${expression} string text`

`string text`

`string text line 1
 string text line 2`

`string text ${expression} string text`

tag`string text ${expression} string text`