ObjectHeapGraphNode

HeapGraphNode represents a node in the heap view

inheritance relationship

member properties

type

Integer, node type, possible values:

1
readonly Integer HeapGraphNode.type;

• profiler.Node_Hidden, hidden nodes that can be filtered out when displayed to the user
• profiler.Node_Array, array
• profiler.Node_String, string
• profiler.Node_Object, JS objects (except strings and arrays)
• profiler.Node_Code, the compiled code
• profiler.Node_Closure, function closure
• profiler.Node_RegExp, regular expression
• profiler.Node_HeapNumber, the sorted numbers in the heap
• profiler.Node_Native, Native object (not on the v8 heap)
• profiler.Node_Synthetic, Synthetic object
• profiler.Node_ConsString, concatenated strings
• profiler.Node_SlicedString, split string
• profiler.Node_Symbol, symbol (ES6)
• profiler.Node_SimdValue, sorted SIMD values ​​in the heap (ES7)

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name

String, node name

1
readonly String HeapGraphNode.name;

---

description

String, description of the node

1
readonly String HeapGraphNode.description;

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id

Integer, node ID

1
readonly Integer HeapGraphNode.id;

---

shallowSize

Integer, node size in bytes

1
readonly Integer HeapGraphNode.shallowSize;

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childs

NArray, list of child nodes, consisting ofHeapGraphEdgeType object composition

1
readonly NArray HeapGraphNode.childs;

member function

toString

Returns the string representation of the object. Generally, "[Native Object]" is returned. The object can be re-implemented according to its own characteristics.

1
String HeapGraphNode.toString();

Return results:

• String, returns the string representation of the object

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toJSON

Returns a JSON format representation of the object, generally returning a collection of readable properties defined by the object.

1
Value HeapGraphNode.toJSON(String key = "");

Call parameters:

• key: String, not used

Return results:

• Value, returns a value containing JSON serializable