Determines whether the 
IJsMap contains an element with
                the specified 
key.
            
 
    Namespace: 
   DotNetBrowser.Js.Collections
    Assembly:
   DotNetBrowser (in DotNetBrowser.dll) Version: 2.23.2
Syntaxbool ContainsKey(
	Object key
)
Parameters
- key
 - Type: SystemObject
The key to locate in the IJsMap. 
Return Value
Type: 
Booleantrue if the 
IJsMap contains an element with the key; otherwise, 
false.
Exceptions| Exception | Condition | 
|---|
| ObjectDisposedException | 
                The IJsMap has already been disposed.
             | 
See Also