Question:

Explain what is linking function and type of linking function?

Answer:

Link combines the directives with a scope and produce a live view.  For registering DOM listeners as well as updating the DOM, link function is responsible. After the template is cloned it is executed.

  • Pre-linking function: Pre-linking function is executed before the child elements are linked.  It is not considered as the safe way for DOM transformation.
  • Post linking function: Post linking function is executed after the child elements are linked. It is safe to do DOM transformation by post-linking function

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