String Interpolation JavaScript
const age = 3
console.log(`I'm ${age} years old!`)
Drab Dogfish
const age = 3
console.log(`I'm ${age} years old!`)
`string text`
`string text line 1
string text line 2`
`string text ${expression} string text`
tag`string text ${expression} string text`
//Must use backticks, `, in order to work.
let a = 5;
let b = 10;
console.log(`Fifteen is ${a + b} and
not ${2 * a + b}.`);
//Output:
//Fifteen is 15 and not 20.
`half of 100 is ${100 / 2}`
/** A template literal produces a new string literal type by concatenating
the contents. When a union is used in the interpolated position, the
type is the set of every possible string literal that could be
represented by each union member: */
type Taste = "Delicious" | "Spicy";
type Food = "Pizza" | "Meat";
type Menu = `${Taste | Food}`;
// Menu will now be one of the following:
// 'DeliciousPizza' | 'DeliciousMeat' | 'SpicyPizza' | 'SpicyMeat'
let fourthItem = 'Item 4';
let myHtml = `
<ol class="item-list">
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<li>${fourthItem}</li>
</ol>
`;