Object HeapSnapshot

HeapSnapshots records the state of the JS heap at a certain moment

Inheritance

Member attributes

time

Date, time information

1
readonly Date HeapSnapshot.time;

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root

HeapGraphNode, The root node of the heap view

1
readonly HeapGraphNode HeapSnapshot.root;

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nodes

NArray, a list of heap view nodes

1
readonly NArray HeapSnapshot.nodes;

Member function

diff

Compare with the specified heap snapshot

1
Object HeapSnapshot.diff(HeapSnapshot before);

Call parameters:

• before: HeapSnapshot, the heap snapshot to be compared

Return result:

• Object, Return the comparison result of the heap snapshot

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getNodeById

Get heap view node based on ID

1
HeapGraphNode HeapSnapshot.getNodeById(Integer id);

Call parameters:

• id: Integer, numeric node ID

Return result:

• HeapGraphNode, Return the obtained heap view node

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save

Save HeapSnapshot according to the specified name

1
HeapSnapshot.save(String fname) async;

Call parameters:

• fname: String, snapshot name

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toString

Returns the string representation of the object, generally returns "[Native Object]", the object can be re-implemented according to its own characteristics

1
String HeapSnapshot.toString();

Return result:

• String, Returns the string representation of the object

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toJSON

Returns the JSON format representation of the object, generally returns a collection of readable attributes defined by the object

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

Call parameters:

• key: String, unused

Return result:

• Value, Returns a value containing JSON serializable