Javascript backtick template literals

 https://medium.com/javascript-in-plain-english/the-real-difference-between-single-quotes-and-double-quotes-in-javascript-3d00bf720bcd

`${var}`

Backtick (` `) literals have 3 big advantages:

1. Easier string concatenation (“variable interpolation”)
   "string "+variable becomes `string ${variable}`
2. No need to escape (\) single or double quotes
   "\"Hello World!\"" becomes `"Hello World"`
3. Multi-line code without new line character (\n)
   "Hello\nWorld!" becomes `Hello
World`

Backticks also work better for HTML: