How jquery determines whether it is an array element

How jquery determines whether it is an array element: You can use the [$.isArray()] function to determine whether the specified parameter is an array. The syntax is [$. isArray(object)].

The operating environment of this tutorial: windows7 system, jquery3.2.1 version. This method is suitable for all brands of computers.

How jquery determines whether it is an array element:

You can use the$.isArray()function in jquery to determine whether it is an array element.

$.isArray()The function is used to determine whether the specified parameter is an array.

Grammar

$.isArray( object )

Example:

      
  [] 是一个数组吗？   

Run result:

[] 是一个数组吗？true

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