map.ContainsKey()

Determines whether a map has a value associated with a given key.

Syntax

bool map.ContainsKey(string key)

Parameters

Parameter Type Description
key (required) string The key to locate.

Returns

true if the map contains a value associated with the key parameter, and false otherwise.

Sample

mapSample.rfs

var petCat = map.New();
...
trace "This is our map so far:", petCat;
var c = petCat.ContainsKey("color");
var d = petCat.ContainsKey("weight");
trace "No: ", c, "Yes: ", d;
"This is our map so far:", {age: 3, name: "Fjord", weight: 25, sex: "female"}
"No: ", false, "Yes: ", true

Figure 404. The trace message output of the script above


Related links

map.New()   map.Count()
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