The _.keys() function is used to return the list of all keys of the given object.
Syntax:
_.keys( object )
Parameters: This function accept a single parameter as mentioned above and described below:
- object: It contains the object elements.
Return Value: This function returns the list of all key of the given object.
Below examples illustrate the _.Keys() function in Underscore.js
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(_.keys(obj)); </ script > </ body > </ html > |
Output:
Example 2:
<!DOCTYPE html> < html > < head > < script type = "text/javascript" src = </ script > </ head > < body > < script type = "text/javascript" > var key = _.keys({ Name: "Ashok", Address: "Noida", Mobile: "+91 9876543210", Email: "neveropen@gmail.com" }); console.log(key); </ script > </ body > </ html > |
Output: