Lodash Js Part 2(Chaining and has method)

Today I will talk about chaining functions and has method.

Chaining

Without Chaining

With Chaining

  • The chaining is more efficient.
  • no intermediate results are created.

Slight Changes for Explicit Chain & Implicit Chain

Explicit chaining

Still need to unwrap the result with .value().

Implicit chaining

The “unwrapping” of the single value is implied. (there is no need to call .value().)

has

  • Determine if an object has (or contains) a key.
  • Arrays can be used to split up parts.

By Yuuma




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