HashList.hasValue(value)
Checks if a certain value exists at least once in all of the key - value pairs.
Type: function
Parameter(s):
- value {Object | String | Number | Boolean}:The value to check. 
Returns:
- 
    {Boolean}:
 Returns true or false. 
Checks if a certain value exists at least once in all of the key - value pairs.
Type: function
Parameter(s):
The value to check.
Returns:
Returns true or false.