Underscore.js _.invert() Function
The _.invert() function is used to return the copy of an object where the object key is converted into value and object value is converted into the key. It means the [key, value] of the object is reverse.
Syntax:
_.invert( object )
Parameters: This function accepts single parameter as mentioned above and described below:
- object: It contains the object element that holds the elements of key and value pair.
Return Value: It returns the [key, value] of an object in reverse [value, key] order.
Example 1:
<!DOCTYPE html><html> <head> <script type="text/javascript" src= </script></head> <body> <script type="text/javascript"> var obj = { Company: "GeeksforGeeks", Address: "Noida", Contact: "+91 9876543210", Email: "abc@gfg.com" } console.log(_.invert(obj)); </script></body> </html> |
Output:
Example 2:
<!DOCTYPE html><html> <head> <script type="text/javascript" src= </script></head> <body> <script type="text/javascript"> var inv = _.invert({ num1: 10, num2: 20, num3: 30, num4: 40 }); console.log(inv); </script></body> </html> |
Output:
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