Tagged Template Literals: Exploring the Power of Custom Functions

 Tagged Template Literals

Exploring the power of tagged template literals

In ES6, JavaScript introduced template literals, providing a more flexible and readable way to work with strings. These literals, denoted by backticks (`), enable the inclusion of variables directly within the string and support multiline strings with preserved whitespace. However, the real magic happens when we delve into the world of tagged template literals.

What Are Template Literals?

Template literals are an improved syntax for string creation, using backticks instead of traditional quotes. They offer features like variable interpolation, multiline strings, and easy inclusion of escape sequences.

What Are Tagged Template Literals?

Tagged template literals take template literals to the next level by allowing them to be processed by custom functions. These functions, when applied to a template literal, can manipulate the string content before it's finalized.
How Do Tagged Template Literals Work?

Tagged template literals involve creating a function that processes the template literal. The function receives the string parts and the values of interpolated expressions as parameters.
Building a Custom Tagged Template Literal Function

With this understanding, we can create a custom tagged template literal function. In the following example, we reconstruct the original string by combining string parts with interpolated values.
Exploring the Power of Tagged Template Literals

Now that we have a custom tagged template literal function, let's explore some interesting use cases.

1.Bolding All Values:
2.Removing Newlines From Multiline Strings:
3.Querying Elements With Tagged Template Literals:


Conclusion

Tagged template literals extend the capabilities of template literals, enabling the execution of custom functions on string content. While they might not be necessary for every scenario, they prove invaluable in specific use cases, allowing for powerful and dynamic string manipulations.











Comments