what_is_call_stack.md

What is call stack

What is a call stack?

The call stack is a stack data structure that stores information about the active execution context of a program. When a function is called, it is added to the stack, and when it finishes executing, it is removed from the stack.

Example:

function a() {
  b();
}
function b() {
  console.log('Hello');
}
a();
// Call stack will be: [a(), b()]

Tags: basic, JavaScript, execution context

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