Instruction: Describe the main lifecycle hooks in AngularJS directives and their purposes.
Context: This question assesses the candidate's understanding of the lifecycle of AngularJS directives, from creation to destruction, and how to hook into these phases for custom logic.
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Firstly, it's essential to distinguish that AngularJS (often referred to as Angular 1.x) and Angular (versions 2 and above) have different approaches and terminologies. Since the question specifically mentions AngularJS, I'll focus on its directive lifecycle, which is slightly less formal compared to the Angular component lifecycle hooks but equally vital.
In AngularJS, directives are a way to extend the HTML vocabulary and encapsulate reusable code. While AngularJS doesn't have explicit "lifecycle hooks" for directives as its successor Angular does, it offers several key phases during the directive's compilation and linking processes where we can introduce custom behavior:...