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Template strings: tagged template strings

Advanced form of template strings.

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Tagged template strings, are an advanced form of template strings

  • syntax: prefix a template string with a function to call (without "()" around it)

the tag function can access each part of the template

the 1st parameter receives only the pure strings of the template string

  • the strings are an array
  • expressions are NOT passed to it

the 2nd and following parameters contain the values of the processed substitution

  • the 2nd parameter contains the first expression`s value
  • the 3rd parameter contains the second expression`s value
  • using ES6 rest syntax, all values can be accessed via one variable


Description of tagged template strings.