Object HeapSnapshot

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

Inheritance

Member attributes

time

Date, time information

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readonly Date HeapSnapshot.time;

root

HeapGraphNode , the root node of the heap view

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readonly HeapGraphNode HeapSnapshot.root;

nodes

NArray, a list of heap view nodes

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readonly NArray HeapSnapshot.nodes;

Member function

diff

Compare with the specified heap snapshot

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Object HeapSnapshot.diff(HeapSnapshot before);

Call parameters:

• before : HeapSnapshot, the heap snapshot to be compared

Return result:

• Object , returns the comparison result of the heap snapshot

getNodeById

Get heap view node based on ID

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HeapGraphNode HeapSnapshot.getNodeById(Integer id);

Call parameters:

• id : Integer, numeric node ID

Return result:

• HeapGraphNode , returns the obtained heap view node

save

Save HeapSnapshot according to the specified name

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HeapSnapshot.save(String fname) async;

Call parameters:

• fname : String, snapshot name

toString

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

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String HeapSnapshot.toString();

Return result:

• String , returns the string representation of the object

toJSON

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

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

Call parameters:

• key : String, unused

Return result:

• Value , returns a value containing JSON serializable