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: "neveropen", 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: