string.js

// String.raw
console.log(`foo\n`) // foo
console.log(String.raw`foo\n`) // foo\n
console.log(`foo\n`.length) // 4
console.log(String.raw`foo\n`.length) // 5
console.log(String.raw`foo${1+2}`) // foo3
console.log(`\x31`) // 1
console.log(String.raw`\x31`) // \x31
console.log(String.raw({ raw: ["a", "b", "c"] }, 0, 1, 2, 3)) // => a0b1c

// String.fromCodePrint, String.prototype.codePointAt
// 🍣 is d83c df63
var utf16Sushi = Math.pow(2, 16) + (0xd83c - 0xd800) * Math.pow(2, 10) + (0xdf63 - 0xdc00)
console.log(utf16Sushi.toString(16)) // => 0x1f363
console.log(String.fromCodePoint(utf16Sushi)) // => "🍣"
console.log("🍣".codePointAt(0).toString(16)) // => 0x1f363
console.log("🍣".codePointAt(1).toString(16)) // => 0xdf63