Lab

Prototype Chain

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Step Explanation

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Execution Visualizer

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Execution Visualizer

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Animal.prototype.speak is added to the Animal prototype object. All instances created with 'new Animal()' will share this method through the prototype chain.

Call Stack

1 frame
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▲main()
frame 0
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Global Context

Memory

2 variables

Heap Memory

Animalfn→ refnew
"function"
Animal.prototypeobj→ refnew
"{ speak: fn }"
Console Output

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varfnobjarrclosure

Code Preview

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Code

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