keys()
Gets the keys of a specified array or object.
This function is valid in
v2.1.0 to v2.7.0.
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Parameters
{Array|Object}
arrOrObj
Array or object whose keys will be retrieved.
{boolean=}
opt_includeInheritance
Optional, Default:false
Indicates whether or not inherited keys should be retrieved.
Returns
{Array}
An array of all of the keys of arrOrObj.
Required Function
This function directly requires the following function which is included automatically:
-
forOf()
Traverses all the characters in a string or all of the items in an array or an object, executing a function on each one.