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