// Function to recursively iterate through built-in names.
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function collectBuiltinNames(obj, visited = new Set(), result = new Set()) {
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// Check if the object has already been visited to avoid infinite recursion.
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if (visited.has(obj))
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return;
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// Add the current object to the set of visited objects
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visited.add(obj);
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// Get the property names of the current object
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const properties = Object.getOwnPropertyNames(obj);
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// Iterate through each property
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for (var i=0; i < properties.length; i++) {
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var property = properties[i];
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if (property != "collectBuiltinNames" && typeof property != "number")
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result.add(property);
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// Check if the property is an object and if so, recursively iterate through its properties.
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if (typeof obj[property] === 'object' && obj[property] !== null)
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collectBuiltinNames(obj[property], visited, result);
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}
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return result;
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}
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// Start the recursive iteration with the global object.
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console.log(Array.from(collectBuiltinNames(this)).join('\n'));
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