Understanding the Error: Cannot Read Property 'push' of Undefined in JavaScript

Understanding the Error: Cannot Read Property 'push' of Undefined in JavaScript

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How To Fix 'Uncaught TypeError: Cannot read properties of undefined' - JavaScript Debugging
How To Fix 'Uncaught TypeError: Cannot read properties of undefined' - JavaScript Debugging
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How To Fix 'Uncaught TypeError: Cannot read properties of undefined' - JavaScript Debugging

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